var-202105-1451
Vulnerability from variot
An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation. Linux Kernel Is vulnerable to a buffer error.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Arch Linux is an application system of Arch open source. A lightweight and flexible Linux® distribution that tries to keep it simple. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks.
Bug Fix(es):
- Rebase package(s) to version: 1.2.23
Highlights, important fixes, or notable enhancements:
-
imgbase should not copy the selinux binary policy file (BZ# 1979624) (BZ#1989397)
-
RHV-H has been rebased on Red Hat Enterprise Linux 8.4 Batch #2. (BZ#1975177)
-
8) - x86_64
-
Description:
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Bug Fix(es):
-
kernel-rt: update RT source tree to the RHEL-8.4.z source tree (BZ#1985050)
-
kernel-rt: Merge mm/memcg: Fix kmem_cache_alloc() performance regression (BZ#1987102)
-
8.1) - ppc64le, x86_64
-
Description:
This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel. Description:
Red Hat Advanced Cluster Management for Kubernetes 2.1.12 images
Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. See the following Release Notes documentation, which will be updated shortly for this release, for additional details about this release:
https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_mana gement_for_kubernetes/2.1/html/release_notes/
Security fixes:
-
redis: Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626)
-
redis: Integer overflow issue with Streams (CVE-2021-32627)
-
redis: Integer overflow bug in the ziplist data structure (CVE-2021-32628)
-
redis: Integer overflow issue with intsets (CVE-2021-32687)
-
redis: Integer overflow issue with strings (CVE-2021-41099)
-
redis: Denial of service via Redis Standard Protocol (RESP) request (CVE-2021-32675)
-
redis: Out of bounds read in lua debugger protocol parser (CVE-2021-32672)
For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Container updates:
-
RHACM 2.1.12 images (BZ# 2007489)
-
Solution:
Before applying this update, make sure all previously released errata relevant to your system have been applied. To apply this upgrade, you must upgrade your OpenShift Container Platform version to 4.6, or later. Bugs fixed (https://bugzilla.redhat.com/):
2007489 - RHACM 2.1.12 images 2010991 - CVE-2021-32687 redis: Integer overflow issue with intsets 2011000 - CVE-2021-32675 redis: Denial of service via Redis Standard Protocol (RESP) request 2011001 - CVE-2021-32672 redis: Out of bounds read in lua debugger protocol parser 2011004 - CVE-2021-32628 redis: Integer overflow bug in the ziplist data structure 2011010 - CVE-2021-32627 redis: Integer overflow issue with Streams 2011017 - CVE-2021-32626 redis: Lua scripts can overflow the heap-based Lua stack 2011020 - CVE-2021-41099 redis: Integer overflow issue with strings
Bug Fix(es):
-
[CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap [7.9.z] (BZ#1975161)
-
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Important: kernel security, bug fix, and enhancement update Advisory ID: RHSA-2021:3363-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2021:3363 Issue date: 2021-08-31 CVE Names: CVE-2021-3609 CVE-2021-22543 CVE-2021-22555 CVE-2021-32399 ==================================================================== 1. Summary:
An update for kernel is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.
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.
- Relevant releases/architectures:
Red Hat CodeReady Linux Builder EUS (v. 8.2) - aarch64, ppc64le, x86_64 Red Hat Enterprise Linux BaseOS EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64
- Description:
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
-
kernel: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)
-
kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)
-
kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555)
-
kernel: race condition for removal of the HCI controller (CVE-2021-32399)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Bug Fix(es):
-
[Regression] RHEL8.2 - ISST-LTE:pVM:diapvmlp83:sum:memory DLPAR fails to add memory on multiple trials[mm/memory_hotplug.c:1163] (mm-) (BZ#1930169)
-
Every server is displaying the same power levels for all of our i40e 25G interfaces. 10G interfaces seem to be correct. Ethtool version is 5.0 (BZ#1967100)
-
s390/uv: Fix handling of length extensions (BZ#1975657)
-
RHEL 8.3 using FCOE via a FastLinQ QL45000 card will not manually scan in LUN from Target_id's over 8 (BZ#1976265)
-
Backport "tick/nohz: Conditionally restart tick on idle exit" to RHEL 8.5 (BZ#1978711)
-
rhel8.3: phase 2 netfilter backports from upstream (BZ#1980323)
-
xfrm: backports from upstream (BZ#1981841)
Enhancement(s):
-
[8.2.z] Incorrect parsing of ACPI HMAT table reports incorrect kernel WARNING taint (BZ#1943702)
-
Only selected patches from [IBM 8.4 FEAT] ibmvnic: Backport FW950 and assorted bug fixes (BZ#1980795)
-
Solution:
For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
- Bugs fixed (https://bugzilla.redhat.com/):
1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks 1970807 - CVE-2021-32399 kernel: race condition for removal of the HCI controller 1971651 - CVE-2021-3609 kernel: race condition in net/can/bcm.c leads to local privilege escalation 1980101 - CVE-2021-22555 kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c
- Package List:
Red Hat Enterprise Linux BaseOS EUS (v. 8.2):
Source: kernel-4.18.0-193.64.1.el8_2.src.rpm
aarch64: bpftool-4.18.0-193.64.1.el8_2.aarch64.rpm bpftool-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-core-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-cross-headers-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debug-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debug-core-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debug-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debug-devel-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debug-modules-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debug-modules-extra-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-devel-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-headers-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-modules-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-modules-extra-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-tools-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-tools-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-tools-libs-4.18.0-193.64.1.el8_2.aarch64.rpm perf-4.18.0-193.64.1.el8_2.aarch64.rpm perf-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm python3-perf-4.18.0-193.64.1.el8_2.aarch64.rpm python3-perf-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm
noarch: kernel-abi-whitelists-4.18.0-193.64.1.el8_2.noarch.rpm kernel-doc-4.18.0-193.64.1.el8_2.noarch.rpm
ppc64le: bpftool-4.18.0-193.64.1.el8_2.ppc64le.rpm bpftool-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-core-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-cross-headers-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debug-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debug-core-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debug-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debug-devel-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debug-modules-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debug-modules-extra-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-devel-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-headers-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-modules-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-modules-extra-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-tools-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-tools-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-tools-libs-4.18.0-193.64.1.el8_2.ppc64le.rpm perf-4.18.0-193.64.1.el8_2.ppc64le.rpm perf-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm python3-perf-4.18.0-193.64.1.el8_2.ppc64le.rpm python3-perf-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm
s390x: bpftool-4.18.0-193.64.1.el8_2.s390x.rpm bpftool-debuginfo-4.18.0-193.64.1.el8_2.s390x.rpm kernel-4.18.0-193.64.1.el8_2.s390x.rpm kernel-core-4.18.0-193.64.1.el8_2.s390x.rpm kernel-cross-headers-4.18.0-193.64.1.el8_2.s390x.rpm kernel-debug-4.18.0-193.64.1.el8_2.s390x.rpm kernel-debug-core-4.18.0-193.64.1.el8_2.s390x.rpm kernel-debug-debuginfo-4.18.0-193.64.1.el8_2.s390x.rpm kernel-debug-devel-4.18.0-193.64.1.el8_2.s390x.rpm kernel-debug-modules-4.18.0-193.64.1.el8_2.s390x.rpm kernel-debug-modules-extra-4.18.0-193.64.1.el8_2.s390x.rpm kernel-debuginfo-4.18.0-193.64.1.el8_2.s390x.rpm kernel-debuginfo-common-s390x-4.18.0-193.64.1.el8_2.s390x.rpm kernel-devel-4.18.0-193.64.1.el8_2.s390x.rpm kernel-headers-4.18.0-193.64.1.el8_2.s390x.rpm kernel-modules-4.18.0-193.64.1.el8_2.s390x.rpm kernel-modules-extra-4.18.0-193.64.1.el8_2.s390x.rpm kernel-tools-4.18.0-193.64.1.el8_2.s390x.rpm kernel-tools-debuginfo-4.18.0-193.64.1.el8_2.s390x.rpm kernel-zfcpdump-4.18.0-193.64.1.el8_2.s390x.rpm kernel-zfcpdump-core-4.18.0-193.64.1.el8_2.s390x.rpm kernel-zfcpdump-debuginfo-4.18.0-193.64.1.el8_2.s390x.rpm kernel-zfcpdump-devel-4.18.0-193.64.1.el8_2.s390x.rpm kernel-zfcpdump-modules-4.18.0-193.64.1.el8_2.s390x.rpm kernel-zfcpdump-modules-extra-4.18.0-193.64.1.el8_2.s390x.rpm perf-4.18.0-193.64.1.el8_2.s390x.rpm perf-debuginfo-4.18.0-193.64.1.el8_2.s390x.rpm python3-perf-4.18.0-193.64.1.el8_2.s390x.rpm python3-perf-debuginfo-4.18.0-193.64.1.el8_2.s390x.rpm
x86_64: bpftool-4.18.0-193.64.1.el8_2.x86_64.rpm bpftool-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-core-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-cross-headers-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debug-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debug-core-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debug-devel-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debug-modules-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debug-modules-extra-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-devel-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-headers-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-modules-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-modules-extra-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-tools-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-tools-libs-4.18.0-193.64.1.el8_2.x86_64.rpm perf-4.18.0-193.64.1.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm python3-perf-4.18.0-193.64.1.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm
Red Hat CodeReady Linux Builder EUS (v. 8.2):
aarch64: bpftool-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debug-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-tools-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm kernel-tools-libs-devel-4.18.0-193.64.1.el8_2.aarch64.rpm perf-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm python3-perf-debuginfo-4.18.0-193.64.1.el8_2.aarch64.rpm
ppc64le: bpftool-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debug-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-debuginfo-common-ppc64le-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-tools-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm kernel-tools-libs-devel-4.18.0-193.64.1.el8_2.ppc64le.rpm perf-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm python3-perf-debuginfo-4.18.0-193.64.1.el8_2.ppc64le.rpm
x86_64: bpftool-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debug-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-debuginfo-common-x86_64-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-tools-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm kernel-tools-libs-devel-4.18.0-193.64.1.el8_2.x86_64.rpm perf-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm python3-perf-debuginfo-4.18.0-193.64.1.el8_2.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/
- References:
https://access.redhat.com/security/cve/CVE-2021-3609 https://access.redhat.com/security/cve/CVE-2021-22543 https://access.redhat.com/security/cve/CVE-2021-22555 https://access.redhat.com/security/cve/CVE-2021-32399 https://access.redhat.com/security/updates/classification/#important
- Contact:
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/
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"data": "An issue was discovered in Linux: KVM through Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write random pages of memory and can result in local privilege escalation. Linux Kernel Is vulnerable to a buffer error.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Arch Linux is an application system of Arch open source. A lightweight and flexible Linux\u00ae distribution that tries to keep it simple. \nThese packages include redhat-release-virtualization-host, ovirt-node, and\nrhev-hypervisor. RHVH features a Cockpit user interface for\nmonitoring the host\u0027s resources and performing administrative tasks. \n\nBug Fix(es):\n\n* Rebase package(s) to version: 1.2.23\n\nHighlights, important fixes, or notable enhancements: \n\n* imgbase should not copy the selinux binary policy file (BZ# 1979624)\n(BZ#1989397)\n\n* RHV-H has been rebased on Red Hat Enterprise Linux 8.4 Batch #2. \n(BZ#1975177)\n\n4. 8) - x86_64\n\n3. Description:\n\nThe kernel-rt packages provide the Real Time Linux Kernel, which enables\nfine-tuning for systems with extremely high determinism requirements. \n\nBug Fix(es):\n\n* kernel-rt: update RT source tree to the RHEL-8.4.z source tree\n(BZ#1985050)\n\n* kernel-rt: Merge mm/memcg: Fix kmem_cache_alloc() performance regression\n(BZ#1987102)\n\n4. 8.1) - ppc64le, x86_64\n\n3. Description:\n\nThis is a kernel live patch module which is automatically loaded by the RPM\npost-install script to modify the code of a running kernel. Description:\n\nRed Hat Advanced Cluster Management for Kubernetes 2.1.12 images\n\nRed Hat Advanced Cluster Management for Kubernetes provides the\ncapabilities to address common challenges that administrators and site\nreliability engineers face as they work across a range of public and\nprivate cloud environments. Clusters and applications are all visible and\nmanaged from a single console\u2014with security policy built in. See the following Release Notes\ndocumentation, which will be updated shortly for this release, for\nadditional details about this release:\n\nhttps://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_mana\ngement_for_kubernetes/2.1/html/release_notes/\n\nSecurity fixes:\n\n* redis: Lua scripts can overflow the heap-based Lua stack (CVE-2021-32626)\n\n* redis: Integer overflow issue with Streams (CVE-2021-32627)\n\n* redis: Integer overflow bug in the ziplist data structure\n(CVE-2021-32628)\n\n* redis: Integer overflow issue with intsets (CVE-2021-32687)\n\n* redis: Integer overflow issue with strings (CVE-2021-41099)\n\n* redis: Denial of service via Redis Standard Protocol (RESP) request\n(CVE-2021-32675)\n\n* redis: Out of bounds read in lua debugger protocol parser\n(CVE-2021-32672)\n\nFor more details about the security issues, including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\nContainer updates:\n\n* RHACM 2.1.12 images (BZ# 2007489)\n\n3. Solution:\n\nBefore applying this update, make sure all previously released errata\nrelevant to your system have been applied. To apply this upgrade,\nyou \nmust upgrade your OpenShift Container Platform version to 4.6, or later. Bugs fixed (https://bugzilla.redhat.com/):\n\n2007489 - RHACM 2.1.12 images\n2010991 - CVE-2021-32687 redis: Integer overflow issue with intsets\n2011000 - CVE-2021-32675 redis: Denial of service via Redis Standard Protocol (RESP) request\n2011001 - CVE-2021-32672 redis: Out of bounds read in lua debugger protocol parser\n2011004 - CVE-2021-32628 redis: Integer overflow bug in the ziplist data structure\n2011010 - CVE-2021-32627 redis: Integer overflow issue with Streams\n2011017 - CVE-2021-32626 redis: Lua scripts can overflow the heap-based Lua stack\n2011020 - CVE-2021-41099 redis: Integer overflow issue with strings\n\n5. \n\nBug Fix(es):\n\n* [CKI kernel builds]: x86 binaries in non-x86 kernel rpms breaks systemtap\n[7.9.z] (BZ#1975161)\n\n4. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n==================================================================== \nRed Hat Security Advisory\n\nSynopsis: Important: kernel security, bug fix, and enhancement update\nAdvisory ID: RHSA-2021:3363-01\nProduct: Red Hat Enterprise Linux\nAdvisory URL: https://access.redhat.com/errata/RHSA-2021:3363\nIssue date: 2021-08-31\nCVE Names: CVE-2021-3609 CVE-2021-22543 CVE-2021-22555\n CVE-2021-32399\n====================================================================\n1. Summary:\n\nAn update for kernel is now available for Red Hat Enterprise Linux 8.2\nExtended Update Support. \n\nRed Hat Product Security has rated this update as having a security impact\nof Important. A Common Vulnerability Scoring System (CVSS) base score,\nwhich gives a detailed severity rating, is available for each vulnerability\nfrom the CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\nRed Hat CodeReady Linux Builder EUS (v. 8.2) - aarch64, ppc64le, x86_64\nRed Hat Enterprise Linux BaseOS EUS (v. 8.2) - aarch64, noarch, ppc64le, s390x, x86_64\n\n3. Description:\n\nThe kernel packages contain the Linux kernel, the core of any Linux\noperating system. \n\nSecurity Fix(es):\n\n* kernel: race condition in net/can/bcm.c leads to local privilege\nescalation (CVE-2021-3609)\n\n* kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO\nchecks (CVE-2021-22543)\n\n* kernel: out-of-bounds write in xt_compat_target_from_user() in\nnet/netfilter/x_tables.c (CVE-2021-22555)\n\n* kernel: race condition for removal of the HCI controller (CVE-2021-32399)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE\npage(s) listed in the References section. \n\nBug Fix(es):\n\n* [Regression] RHEL8.2 - ISST-LTE:pVM:diapvmlp83:sum:memory DLPAR fails to\nadd memory on multiple trials[mm/memory_hotplug.c:1163] (mm-) (BZ#1930169)\n\n* Every server is displaying the same power levels for all of our i40e 25G\ninterfaces. 10G interfaces seem to be correct. Ethtool version is 5.0\n(BZ#1967100)\n\n* s390/uv: Fix handling of length extensions (BZ#1975657)\n\n* RHEL 8.3 using FCOE via a FastLinQ QL45000 card will not manually scan in\nLUN from Target_id\u0027s over 8 (BZ#1976265)\n\n* Backport \"tick/nohz: Conditionally restart tick on idle exit\" to RHEL 8.5\n(BZ#1978711)\n\n* rhel8.3: phase 2 netfilter backports from upstream (BZ#1980323)\n\n* xfrm: backports from upstream (BZ#1981841)\n\nEnhancement(s):\n\n* [8.2.z] Incorrect parsing of ACPI HMAT table reports incorrect kernel\nWARNING taint (BZ#1943702)\n\n* Only selected patches from [IBM 8.4 FEAT] ibmvnic: Backport FW950 and\nassorted bug fixes (BZ#1980795)\n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect. \n\n5. Bugs fixed (https://bugzilla.redhat.com/):\n\n1965461 - CVE-2021-22543 kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks\n1970807 - CVE-2021-32399 kernel: race condition for removal of the HCI controller\n1971651 - CVE-2021-3609 kernel: race condition in net/can/bcm.c leads to local privilege escalation\n1980101 - CVE-2021-22555 kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c\n\n6. 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packages are GPG signed by Red Hat for security. Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2021-3609\nhttps://access.redhat.com/security/cve/CVE-2021-22543\nhttps://access.redhat.com/security/cve/CVE-2021-22555\nhttps://access.redhat.com/security/cve/CVE-2021-32399\nhttps://access.redhat.com/security/updates/classification/#important\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2021 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\nSscZLhxIDUg=PDEr\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://listman.redhat.com/mailman/listinfo/rhsa-announce\n",
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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.