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CVE-2018-17182
Vulnerability from cvelistv5
Published
2018-09-19 09:00
Modified
2024-08-05 10:39
Severity ?
EPSS score ?
Summary
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
References
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fkie_cve-2018-17182
Vulnerability from fkie_nvd
Published
2018-09-19 09:29
Modified
2024-11-21 03:54
Severity ?
Summary
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
References
Impacted products
Vendor | Product | Version | |
---|---|---|---|
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
linux | linux_kernel | * | |
canonical | ubuntu_linux | 14.04 | |
canonical | ubuntu_linux | 16.04 | |
canonical | ubuntu_linux | 18.04 | |
debian | debian_linux | 8.0 | |
debian | debian_linux | 9.0 | |
netapp | active_iq_performance_analytics_services | - | |
netapp | element_software | - |
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gsd-2018-17182
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
Aliases
Aliases
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An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.", "id": "GSD-2018-17182", "references": [ "https://www.suse.com/security/cve/CVE-2018-17182.html", "https://www.debian.org/security/2018/dsa-4308", "https://access.redhat.com/errata/RHSA-2018:3656", "https://ubuntu.com/security/CVE-2018-17182", "https://advisories.mageia.org/CVE-2018-17182.html", "https://security.archlinux.org/CVE-2018-17182", "https://alas.aws.amazon.com/cve/html/CVE-2018-17182.html", "https://linux.oracle.com/cve/CVE-2018-17182.html", "https://packetstormsecurity.com/files/cve/CVE-2018-17182" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2018-17182" ], "details": "An issue was discovered in the Linux kernel through 4.18.8. 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RHSA-2018:3656
Vulnerability from csaf_redhat
Published
2018-11-26 23:16
Modified
2024-11-22 12:21
Summary
Red Hat Security Advisory: kernel-alt security and bug fix update
Notes
Topic
An update for kernel-alt is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation (CVE-2018-17182)
* kernel: Privilege escalation on arm64 via KVM hypervisor (CVE-2018-18021)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
These updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/3714391
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for kernel-alt is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The kernel-alt packages provide the Linux kernel version 4.x.\n\nSecurity Fix(es):\n\n* kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation (CVE-2018-17182)\n\n* kernel: Privilege escalation on arm64 via KVM hypervisor (CVE-2018-18021)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\nThese updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/3714391", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:3656", "url": "https://access.redhat.com/errata/RHSA-2018:3656" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/articles/3714391", "url": "https://access.redhat.com/articles/3714391" }, { "category": "external", "summary": "1631205", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1631205" }, { "category": "external", "summary": "1635475", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1635475" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_3656.json" } ], "title": "Red Hat Security Advisory: kernel-alt security and bug fix update", "tracking": { "current_release_date": "2024-11-22T12:21:15+00:00", "generator": { "date": "2024-11-22T12:21:15+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:3656", "initial_release_date": "2018-11-26T23:16:18+00:00", "revision_history": [ { "date": "2018-11-26T23:16:18+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-11-26T23:16:18+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T12:21:15+00:00", "number": "3", "summary": "Last generated version" } ], "status": 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security flaw was discovered in the Linux kernel. The vmacache_flush_all() function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", 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A local attacker with permission to create KVM-based virtual machines can both panic the hypervisor by triggering an illegal exception return (resulting in a DoS) and to redirect execution elsewhere within the hypervisor with full register control, instead of causing a return to the guest.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Privilege escalation on arm64 via KVM hypervisor", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1635475" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-18021", "url": "https://www.cve.org/CVERecord?id=CVE-2018-18021" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-18021", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18021" } ], "release_date": "2018-10-03T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-11-26T23:16:18+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", 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"baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0" }, "products": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-devel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-common-ppc64le-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-devel-0:4.14.0-115.2.2.el7a.ppc64le", 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"7Server-optional-RHELALT-7.6:perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: Privilege escalation on arm64 via KVM hypervisor" } ] }
rhsa-2018:3656
Vulnerability from csaf_redhat
Published
2018-11-26 23:16
Modified
2024-11-22 12:21
Summary
Red Hat Security Advisory: kernel-alt security and bug fix update
Notes
Topic
An update for kernel-alt is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation (CVE-2018-17182)
* kernel: Privilege escalation on arm64 via KVM hypervisor (CVE-2018-18021)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
These updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/3714391
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for kernel-alt is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The kernel-alt packages provide the Linux kernel version 4.x.\n\nSecurity Fix(es):\n\n* kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation (CVE-2018-17182)\n\n* kernel: Privilege escalation on arm64 via KVM hypervisor (CVE-2018-18021)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\nThese updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/3714391", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:3656", "url": "https://access.redhat.com/errata/RHSA-2018:3656" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/articles/3714391", "url": "https://access.redhat.com/articles/3714391" }, { "category": "external", "summary": "1631205", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1631205" }, { "category": "external", "summary": "1635475", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1635475" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_3656.json" } ], "title": "Red Hat Security Advisory: kernel-alt security and bug fix update", "tracking": { "current_release_date": "2024-11-22T12:21:15+00:00", "generator": { "date": "2024-11-22T12:21:15+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:3656", "initial_release_date": "2018-11-26T23:16:18+00:00", "revision_history": [ { "date": "2018-11-26T23:16:18+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-11-26T23:16:18+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T12:21:15+00:00", "number": "3", "summary": "Last generated version" } ], "status": 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security flaw was discovered in the Linux kernel. The vmacache_flush_all() function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", 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"7Server-optional-RHELALT-7.6:perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation" }, { "cve": "CVE-2018-18021", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "discovery_date": "2018-10-03T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1635475" } ], "notes": [ { "category": "description", "text": "A vulnerability was discovered in the Linux kernel that allows an attacker to escalate privileges with using a 64-bit ARM architecture. A local attacker with permission to create KVM-based virtual machines can both panic the hypervisor by triggering an illegal exception return (resulting in a DoS) and to redirect execution elsewhere within the hypervisor with full register control, instead of causing a return to the guest.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Privilege escalation on arm64 via KVM hypervisor", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1635475" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-18021", "url": "https://www.cve.org/CVERecord?id=CVE-2018-18021" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-18021", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18021" } ], "release_date": "2018-10-03T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-11-26T23:16:18+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", 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"7Server-optional-RHELALT-7.6:perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: Privilege escalation on arm64 via KVM hypervisor" } ] }
rhsa-2018_3656
Vulnerability from csaf_redhat
Published
2018-11-26 23:16
Modified
2024-11-22 12:21
Summary
Red Hat Security Advisory: kernel-alt security and bug fix update
Notes
Topic
An update for kernel-alt is now available for Red Hat Enterprise Linux 7.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The kernel-alt packages provide the Linux kernel version 4.x.
Security Fix(es):
* kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation (CVE-2018-17182)
* kernel: Privilege escalation on arm64 via KVM hypervisor (CVE-2018-18021)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
These updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/3714391
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for kernel-alt is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The kernel-alt packages provide the Linux kernel version 4.x.\n\nSecurity Fix(es):\n\n* kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation (CVE-2018-17182)\n\n* kernel: Privilege escalation on arm64 via KVM hypervisor (CVE-2018-18021)\n\nFor more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.\n\nBug Fix(es):\n\nThese updated kernel packages include also numerous bug fixes. Space precludes documenting all of the bug fixes in this advisory. See the descriptions in the related Knowledge Article: https://access.redhat.com/articles/3714391", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2018:3656", "url": "https://access.redhat.com/errata/RHSA-2018:3656" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "https://access.redhat.com/articles/3714391", "url": "https://access.redhat.com/articles/3714391" }, { "category": "external", "summary": "1631205", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1631205" }, { "category": "external", "summary": "1635475", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1635475" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2018/rhsa-2018_3656.json" } ], "title": "Red Hat Security Advisory: kernel-alt security and bug fix update", "tracking": { "current_release_date": "2024-11-22T12:21:15+00:00", "generator": { "date": "2024-11-22T12:21:15+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2018:3656", "initial_release_date": "2018-11-26T23:16:18+00:00", "revision_history": [ { "date": "2018-11-26T23:16:18+00:00", "number": "1", "summary": "Initial version" }, { "date": "2018-11-26T23:16:18+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T12:21:15+00:00", "number": "3", "summary": "Last generated version" } ], "status": 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LE (POWER9) Server Optional (v. 7)", "product_id": "7Server-optional-RHELALT-7.6:python-perf-0:4.14.0-115.2.2.el7a.ppc64le" }, "product_reference": "python-perf-0:4.14.0-115.2.2.el7a.ppc64le", "relates_to_product_reference": "7Server-optional-RHELALT-7.6" }, { "category": "default_component_of", "full_product_name": { "name": "python-perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le as a component of Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)", "product_id": "7Server-optional-RHELALT-7.6:python-perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le" }, "product_reference": "python-perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "relates_to_product_reference": "7Server-optional-RHELALT-7.6" } ] }, "vulnerabilities": [ { "cve": "CVE-2018-17182", "cwe": { "id": "CWE-416", "name": "Use After Free" }, "discovery_date": "2018-09-18T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1631205" } ], "notes": [ { "category": "description", "text": "A security flaw was discovered in the Linux kernel. The vmacache_flush_all() function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1631205" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-17182", "url": "https://www.cve.org/CVERecord?id=CVE-2018-17182" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-17182", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-17182" } ], "release_date": "2018-09-13T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-11-26T23:16:18+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", 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"baseScore": 7.0, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0" }, "products": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-devel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-common-ppc64le-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-devel-0:4.14.0-115.2.2.el7a.ppc64le", 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"7Server-optional-RHELALT-7.6:perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: Use-after-free in the vmacache_flush_all function resulting in a possible privilege escalation" }, { "cve": "CVE-2018-18021", "cwe": { "id": "CWE-20", "name": "Improper Input Validation" }, "discovery_date": "2018-10-03T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1635475" } ], "notes": [ { "category": "description", "text": "A vulnerability was discovered in the Linux kernel that allows an attacker to escalate privileges with using a 64-bit ARM architecture. A local attacker with permission to create KVM-based virtual machines can both panic the hypervisor by triggering an illegal exception return (resulting in a DoS) and to redirect execution elsewhere within the hypervisor with full register control, instead of causing a return to the guest.", "title": "Vulnerability description" }, { "category": "summary", "text": "kernel: Privilege escalation on arm64 via KVM hypervisor", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1635475" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2018-18021", "url": "https://www.cve.org/CVERecord?id=CVE-2018-18021" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2018-18021", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-18021" } ], "release_date": "2018-10-03T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2018-11-26T23:16:18+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.", "product_ids": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", 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"baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.0" }, "products": [ "7Server-RHELALT-7.6:kernel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-abi-whitelists-0:4.14.0-115.2.2.el7a.noarch", "7Server-RHELALT-7.6:kernel-alt-0:4.14.0-115.2.2.el7a.src", "7Server-RHELALT-7.6:kernel-bootwrapper-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debug-devel-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-debuginfo-common-ppc64le-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-RHELALT-7.6:kernel-devel-0:4.14.0-115.2.2.el7a.ppc64le", 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"7Server-optional-RHELALT-7.6:perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-0:4.14.0-115.2.2.el7a.ppc64le", "7Server-optional-RHELALT-7.6:python-perf-debuginfo-0:4.14.0-115.2.2.el7a.ppc64le" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "kernel: Privilege escalation on arm64 via KVM hypervisor" } ] }
ghsa-v788-jmxr-wgj9
Vulnerability from github
Published
2022-05-14 01:28
Modified
2022-05-14 01:28
Severity ?
Details
An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.
{ "affected": [], "aliases": [ "CVE-2018-17182" ], "database_specific": { "cwe_ids": [ "CWE-416" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2018-09-19T09:29:00Z", "severity": "HIGH" }, "details": "An issue was discovered in the Linux kernel through 4.18.8. The vmacache_flush_all function in mm/vmacache.c mishandles sequence number overflows. An attacker can trigger a use-after-free (and possibly gain privileges) via certain thread creation, map, unmap, invalidation, and dereference operations.", "id": "GHSA-v788-jmxr-wgj9", "modified": "2022-05-14T01:28:51Z", "published": "2022-05-14T01:28:51Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-17182" }, { "type": "WEB", "url": "https://github.com/torvalds/linux/commit/7a9cdebdcc17e426fb5287e4a82db1dfe86339b2" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2018:3656" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20190204-0001" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3776-1" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3776-2" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3777-1" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3777-2" }, { "type": "WEB", "url": "https://usn.ubuntu.com/3777-3" }, { "type": "WEB", "url": "https://www.debian.org/security/2018/dsa-4308" }, { "type": "WEB", "url": "https://www.exploit-db.com/exploits/45497" }, { "type": "WEB", "url": "https://www.openwall.com/lists/oss-security/2018/09/18/4" }, { "type": "WEB", "url": "http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7a9cdebdcc17e426fb5287e4a82db1dfe86339b2" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/105417" }, { "type": "WEB", "url": "http://www.securityfocus.com/bid/106503" }, { "type": "WEB", "url": "http://www.securitytracker.com/id/1041748" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
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Sightings
Author | Source | Type | Date |
---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.