var-202105-1475
Vulnerability from variot
An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
====================================================================
Red Hat Security Advisory
Synopsis: Moderate: Openshift Logging Security Release (5.0.10) Advisory ID: RHSA-2021:5137-01 Product: Red Hat OpenShift Enterprise Advisory URL: https://access.redhat.com/errata/RHSA-2021:5137 Issue date: 2021-12-14 CVE Names: CVE-2018-20673 CVE-2018-25009 CVE-2018-25010 CVE-2018-25012 CVE-2018-25013 CVE-2018-25014 CVE-2019-5827 CVE-2019-13750 CVE-2019-13751 CVE-2019-14615 CVE-2019-17594 CVE-2019-17595 CVE-2019-18218 CVE-2019-19603 CVE-2019-20838 CVE-2020-0427 CVE-2020-10001 CVE-2020-12762 CVE-2020-13435 CVE-2020-14145 CVE-2020-14155 CVE-2020-16135 CVE-2020-17541 CVE-2020-24370 CVE-2020-24502 CVE-2020-24503 CVE-2020-24504 CVE-2020-24586 CVE-2020-24587 CVE-2020-24588 CVE-2020-26139 CVE-2020-26140 CVE-2020-26141 CVE-2020-26143 CVE-2020-26144 CVE-2020-26145 CVE-2020-26146 CVE-2020-26147 CVE-2020-27777 CVE-2020-29368 CVE-2020-29660 CVE-2020-35448 CVE-2020-35521 CVE-2020-35522 CVE-2020-35523 CVE-2020-35524 CVE-2020-36158 CVE-2020-36312 CVE-2020-36330 CVE-2020-36331 CVE-2020-36332 CVE-2020-36386 CVE-2021-0129 CVE-2021-3200 CVE-2021-3348 CVE-2021-3426 CVE-2021-3445 CVE-2021-3481 CVE-2021-3487 CVE-2021-3489 CVE-2021-3564 CVE-2021-3572 CVE-2021-3573 CVE-2021-3580 CVE-2021-3600 CVE-2021-3635 CVE-2021-3659 CVE-2021-3679 CVE-2021-3712 CVE-2021-3732 CVE-2021-3778 CVE-2021-3796 CVE-2021-3800 CVE-2021-20194 CVE-2021-20197 CVE-2021-20231 CVE-2021-20232 CVE-2021-20239 CVE-2021-20266 CVE-2021-20284 CVE-2021-22876 CVE-2021-22898 CVE-2021-22925 CVE-2021-23133 CVE-2021-23840 CVE-2021-23841 CVE-2021-27645 CVE-2021-28153 CVE-2021-28950 CVE-2021-28971 CVE-2021-29155 CVE-2021-29646 CVE-2021-29650 CVE-2021-31440 CVE-2021-31535 CVE-2021-31829 CVE-2021-31916 CVE-2021-33033 CVE-2021-33200 CVE-2021-33560 CVE-2021-33574 CVE-2021-35942 CVE-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 CVE-2021-42574 CVE-2021-43527 CVE-2021-44228 ==================================================================== 1. Summary:
Openshift Logging Security Release (5.0.10)
Red Hat Product Security has rated this update as having a security impact of Moderate. 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.
- Description:
Openshift Logging Bug Fix Release (5.0.10)
Security Fix(es):
- log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value (CVE-2021-44228)
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.
- Solution:
For OpenShift Container Platform 4.7 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this errata update:
https://docs.openshift.com/container-platform/4.7/release_notes/ocp-4-7-release-notes.html
For Red Hat OpenShift Logging 5.0, see the following instructions to apply this update:
https://docs.openshift.com/container-platform/4.7/logging/cluster-logging-upgrading.html
- Bugs fixed (https://bugzilla.redhat.com/):
2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value
- 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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-- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . ========================================================================== Ubuntu Security Notice USN-5343-1 March 22, 2022
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Summary:
Several security issues were fixed in the Linux kernel. A local attacker could use this to gain administrative privileges. (CVE-2022-0492)
It was discovered that the aufs file system in the Linux kernel did not properly restrict mount namespaces, when mounted with the non-default allow_userns option set. A local attacker could use this to gain administrative privileges. (CVE-2016-2853)
It was discovered that the aufs file system in the Linux kernel did not properly maintain POSIX ACL xattr data, when mounted with the non-default allow_userns option. A local attacker could possibly use this to gain elevated privileges. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2019-19449)
It was discovered that the XFS file system implementation in the Linux kernel did not properly validate meta data in some circumstances. An attacker could use this to construct a malicious XFS image that, when mounted, could cause a denial of service. (CVE-2020-12655)
Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the Linux kernel contained a reference counting error. A local attacker could use this to cause a denial of service (system crash). (CVE-2020-25670)
Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the Linux kernel did not properly deallocate memory in certain error situations. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2020-25671, CVE-2020-25672)
Kiyin (尹亮) discovered that the NFC LLCP protocol implementation in the Linux kernel did not properly handle error conditions in some situations, leading to an infinite loop. A local attacker could use this to cause a denial of service. (CVE-2020-25673)
Mathy Vanhoef discovered that the Linux kernel’s WiFi implementation incorrectly handled EAPOL frames from unauthenticated senders. A physically proximate attacker could inject malicious packets to cause a denial of service (system crash). A physically proximate attacker could possibly use this to pair to a device without knowledge of the pin-code. An authenticated attacker could possibly use this to expose sensitive information. (CVE-2020-26558, CVE-2021-0129)
It was discovered that the FUSE user space file system implementation in the Linux kernel did not properly handle bad inodes in some situations. A local attacker could possibly use this to cause a denial of service. (CVE-2020-36322)
It was discovered that the Infiniband RDMA userspace connection manager implementation in the Linux kernel contained a race condition leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possible execute arbitrary code. A privileged attacker could possibly use this to cause a denial of service (system crash) or possibly execute arbitrary code. A privileged attacker could use this to cause a denial of service. (CVE-2021-20317)
Or Cohen and Nadav Markus discovered a use-after-free vulnerability in the nfc implementation in the Linux kernel. A privileged local attacker could use this issue to cause a denial of service (system crash) or possibly execute arbitrary code. A local attacker could use this to cause a denial of service (memory exhaustion). (CVE-2021-28688)
It was discovered that the RPA PCI Hotplug driver implementation in the Linux kernel did not properly handle device name writes via sysfs, leading to a buffer overflow. A privileged attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. A local attacker could use this to cause a denial of service (system crash). (CVE-2021-29650)
It was discovered that a race condition in the kernel Bluetooth subsystem could lead to use-after-free of slab objects. An attacker could use this issue to possibly execute arbitrary code. (CVE-2021-32399)
It was discovered that the CIPSO implementation in the Linux kernel did not properly perform reference counting in some situations, leading to use- after-free vulnerabilities. An attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-33034)
Asaf Modelevsky discovered that the Intel(R) Ethernet ixgbe driver for the Linux kernel did not properly validate large MTU requests from Virtual Function (VF) devices. A local attacker could possibly use this to cause a denial of service. (CVE-2021-33098)
Norbert Slusarek discovered that the CAN broadcast manger (bcm) protocol implementation in the Linux kernel did not properly initialize memory in some situations. A local attacker could use this to expose sensitive information (kernel memory). (CVE-2021-34693)
马哲宇 discovered that the IEEE 1394 (Firewire) nosy packet sniffer driver in the Linux kernel did not properly perform reference counting in some situations, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. A local attacker could use this issue to cause a denial of service (system crash). (CVE-2021-3506)
It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle HCI device initialization failure, leading to a double-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2021-3564)
It was discovered that the bluetooth subsystem in the Linux kernel did not properly handle HCI device detach events, leading to a use-after-free vulnerability. An attacker could use this to cause a denial of service or possibly execute arbitrary code. (CVE-2021-3573)
Murray McAllister discovered that the joystick device interface in the Linux kernel did not properly validate data passed via an ioctl(). A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code on systems with a joystick device registered. (CVE-2021-3612)
It was discovered that the tracing subsystem in the Linux kernel did not properly keep track of per-cpu ring buffer state. A privileged attacker could use this to cause a denial of service. (CVE-2021-3679)
It was discovered that the Virtio console implementation in the Linux kernel did not properly validate input lengths in some situations. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2021-38160)
It was discovered that the KVM hypervisor implementation in the Linux kernel did not properly compute the access permissions for shadow pages in some situations. A local attacker could use this to cause a denial of service. (CVE-2021-38198)
It was discovered that the MAX-3421 host USB device driver in the Linux kernel did not properly handle device removal events. A physically proximate attacker could use this to cause a denial of service (system crash). (CVE-2021-38204)
It was discovered that the NFC implementation in the Linux kernel did not properly handle failed connect events leading to a NULL pointer dereference. A local attacker could use this to cause a denial of service. A local attacker could possibly use this to expose sensitive information (kernel memory). A local attacker could use this to cause a denial of service or possibly gain administrative privileges. (CVE-2021-40490)
It was discovered that the 6pack network protocol driver in the Linux kernel did not properly perform validation checks. A privileged attacker could use this to cause a denial of service (system crash) or execute arbitrary code. (CVE-2021-42008)
It was discovered that the ISDN CAPI implementation in the Linux kernel contained a race condition in certain situations that could trigger an array out-of-bounds bug. A privileged local attacker could possibly use this to cause a denial of service or execute arbitrary code. (CVE-2021-43389)
It was discovered that the Phone Network protocol (PhoNet) implementation in the Linux kernel did not properly perform reference counting in some error conditions. A local attacker could possibly use this to cause a denial of service (memory exhaustion). An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2021-45469)
Amit Klein discovered that the IPv6 implementation in the Linux kernel could disclose internal state in some situations. An attacker could possibly use this to expose sensitive information. An attacker could use this to expose sensitive information or in conjunction with another kernel vulnerability. (CVE-2018-5995)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 16.04 ESM: linux-image-4.4.0-1103-kvm 4.4.0-1103.112 linux-image-4.4.0-1138-aws 4.4.0-1138.152 linux-image-4.4.0-222-generic 4.4.0-222.255 linux-image-4.4.0-222-lowlatency 4.4.0-222.255 linux-image-aws 4.4.0.1138.143 linux-image-generic 4.4.0.222.229 linux-image-kvm 4.4.0.1103.101 linux-image-lowlatency 4.4.0.222.229 linux-image-virtual 4.4.0.222.229
Ubuntu 14.04 ESM: linux-image-4.4.0-1102-aws 4.4.0-1102.107 linux-image-4.4.0-222-generic 4.4.0-222.255~14.04.1 linux-image-4.4.0-222-lowlatency 4.4.0-222.255~14.04.1 linux-image-aws 4.4.0.1102.100 linux-image-generic-lts-xenial 4.4.0.222.193 linux-image-lowlatency-lts-xenial 4.4.0.222.193 linux-image-virtual-lts-xenial 4.4.0.222.193
After a standard system update you need to reboot your computer to make all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have been given a new version number, which requires you to recompile and reinstall all third party kernel modules you might have installed. Unless you manually uninstalled the standard kernel metapackages (e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual, linux-powerpc), a standard system upgrade will automatically perform this as well.
References: https://ubuntu.com/security/notices/USN-5343-1 CVE-2016-2853, CVE-2016-2854, CVE-2018-5995, CVE-2019-19449, CVE-2020-12655, CVE-2020-25670, CVE-2020-25671, CVE-2020-25672, CVE-2020-25673, CVE-2020-26139, CVE-2020-26147, CVE-2020-26555, CVE-2020-26558, CVE-2020-36322, CVE-2020-36385, CVE-2021-0129, CVE-2021-20292, CVE-2021-20317, CVE-2021-23134, CVE-2021-28688, CVE-2021-28972, CVE-2021-29650, CVE-2021-32399, CVE-2021-33033, CVE-2021-33034, CVE-2021-33098, CVE-2021-34693, CVE-2021-3483, CVE-2021-3506, CVE-2021-3564, CVE-2021-3573, CVE-2021-3612, CVE-2021-3679, CVE-2021-38160, CVE-2021-38198, CVE-2021-38204, CVE-2021-38208, CVE-2021-39648, CVE-2021-40490, CVE-2021-42008, CVE-2021-43389, CVE-2021-45095, CVE-2021-45469, CVE-2021-45485, CVE-2022-0492 . This update provides the corresponding updates for the Linux KVM kernel for Ubuntu 21.04
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"data": "An issue was discovered in the Linux kernel 5.8.9. The WEP, WPA, WPA2, and WPA3 implementations reassemble fragments even though some of them were sent in plaintext. This vulnerability can be abused to inject packets and/or exfiltrate selected fragments when another device sends fragmented frames and the WEP, CCMP, or GCMP data-confidentiality protocol is used. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n==================================================================== \nRed Hat Security Advisory\n\nSynopsis: Moderate: Openshift Logging Security Release (5.0.10)\nAdvisory ID: RHSA-2021:5137-01\nProduct: Red Hat OpenShift Enterprise\nAdvisory URL: https://access.redhat.com/errata/RHSA-2021:5137\nIssue date: 2021-12-14\nCVE Names: CVE-2018-20673 CVE-2018-25009 CVE-2018-25010\n CVE-2018-25012 CVE-2018-25013 CVE-2018-25014\n CVE-2019-5827 CVE-2019-13750 CVE-2019-13751\n CVE-2019-14615 CVE-2019-17594 CVE-2019-17595\n CVE-2019-18218 CVE-2019-19603 CVE-2019-20838\n CVE-2020-0427 CVE-2020-10001 CVE-2020-12762\n CVE-2020-13435 CVE-2020-14145 CVE-2020-14155\n CVE-2020-16135 CVE-2020-17541 CVE-2020-24370\n CVE-2020-24502 CVE-2020-24503 CVE-2020-24504\n CVE-2020-24586 CVE-2020-24587 CVE-2020-24588\n CVE-2020-26139 CVE-2020-26140 CVE-2020-26141\n CVE-2020-26143 CVE-2020-26144 CVE-2020-26145\n CVE-2020-26146 CVE-2020-26147 CVE-2020-27777\n CVE-2020-29368 CVE-2020-29660 CVE-2020-35448\n CVE-2020-35521 CVE-2020-35522 CVE-2020-35523\n CVE-2020-35524 CVE-2020-36158 CVE-2020-36312\n CVE-2020-36330 CVE-2020-36331 CVE-2020-36332\n CVE-2020-36386 CVE-2021-0129 CVE-2021-3200\n CVE-2021-3348 CVE-2021-3426 CVE-2021-3445\n CVE-2021-3481 CVE-2021-3487 CVE-2021-3489\n CVE-2021-3564 CVE-2021-3572 CVE-2021-3573\n CVE-2021-3580 CVE-2021-3600 CVE-2021-3635\n CVE-2021-3659 CVE-2021-3679 CVE-2021-3712\n CVE-2021-3732 CVE-2021-3778 CVE-2021-3796\n CVE-2021-3800 CVE-2021-20194 CVE-2021-20197\n CVE-2021-20231 CVE-2021-20232 CVE-2021-20239\n CVE-2021-20266 CVE-2021-20284 CVE-2021-22876\n CVE-2021-22898 CVE-2021-22925 CVE-2021-23133\n CVE-2021-23840 CVE-2021-23841 CVE-2021-27645\n CVE-2021-28153 CVE-2021-28950 CVE-2021-28971\n CVE-2021-29155 CVE-2021-29646 CVE-2021-29650\n CVE-2021-31440 CVE-2021-31535 CVE-2021-31829\n CVE-2021-31916 CVE-2021-33033 CVE-2021-33200\n CVE-2021-33560 CVE-2021-33574 CVE-2021-35942\n CVE-2021-36084 CVE-2021-36085 CVE-2021-36086\n CVE-2021-36087 CVE-2021-42574 CVE-2021-43527\n CVE-2021-44228\n====================================================================\n1. Summary:\n\nOpenshift Logging Security Release (5.0.10)\n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section. \n\n2. Description:\n\nOpenshift Logging Bug Fix Release (5.0.10)\n\nSecurity Fix(es):\n\n* log4j-core: Remote code execution in Log4j 2.x when logs contain an\nattacker-controlled string value (CVE-2021-44228)\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\n3. Solution:\n\nFor OpenShift Container Platform 4.7 see the following documentation, which\nwill be updated shortly for this release, for important instructions on how\nto upgrade your cluster and fully apply this errata update:\n\nhttps://docs.openshift.com/container-platform/4.7/release_notes/ocp-4-7-release-notes.html\n\nFor Red Hat OpenShift Logging 5.0, see the following instructions to apply\nthis update:\n\nhttps://docs.openshift.com/container-platform/4.7/logging/cluster-logging-upgrading.html\n\n4. Bugs fixed (https://bugzilla.redhat.com/):\n\n2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value\n\n5. 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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\npGz6uNWwB3s=IMvs\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://listman.redhat.com/mailman/listinfo/rhsa-announce\n. ==========================================================================\nUbuntu Security Notice USN-5343-1\nMarch 22, 2022\n\nlinux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 16.04 ESM\n- Ubuntu 14.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in the Linux kernel. A local attacker could use this to gain\nadministrative privileges. (CVE-2022-0492)\n\nIt was discovered that the aufs file system in the Linux kernel did not\nproperly restrict mount namespaces, when mounted with the non-default\nallow_userns option set. A local attacker could use this to gain\nadministrative privileges. (CVE-2016-2853)\n\nIt was discovered that the aufs file system in the Linux kernel did not\nproperly maintain POSIX ACL xattr data, when mounted with the non-default\nallow_userns option. A local attacker could possibly use this to gain\nelevated privileges. An attacker could use this\nto construct a malicious f2fs image that, when mounted and operated on,\ncould cause a denial of service (system crash) or possibly execute\narbitrary code. (CVE-2019-19449)\n\nIt was discovered that the XFS file system implementation in the Linux\nkernel did not properly validate meta data in some circumstances. An\nattacker could use this to construct a malicious XFS image that, when\nmounted, could cause a denial of service. (CVE-2020-12655)\n\nKiyin (\u5c39\u4eae) discovered that the NFC LLCP protocol implementation in the\nLinux kernel contained a reference counting error. A local attacker could\nuse this to cause a denial of service (system crash). (CVE-2020-25670)\n\nKiyin (\u5c39\u4eae) discovered that the NFC LLCP protocol implementation in the\nLinux kernel did not properly deallocate memory in certain error\nsituations. A local attacker could use this to cause a denial of service\n(memory exhaustion). (CVE-2020-25671, CVE-2020-25672)\n\nKiyin (\u5c39\u4eae) discovered that the NFC LLCP protocol implementation in the\nLinux kernel did not properly handle error conditions in some situations,\nleading to an infinite loop. A local attacker could use this to cause a\ndenial of service. (CVE-2020-25673)\n\nMathy Vanhoef discovered that the Linux kernel\u2019s WiFi implementation\nincorrectly handled EAPOL frames from unauthenticated senders. A physically\nproximate attacker could inject malicious packets to cause a denial of\nservice (system crash). A physically proximate\nattacker could possibly use this to pair to a device without knowledge of\nthe pin-code. An authenticated attacker could possibly\nuse this to expose sensitive information. (CVE-2020-26558, CVE-2021-0129)\n\nIt was discovered that the FUSE user space file system implementation in\nthe Linux kernel did not properly handle bad inodes in some situations. A\nlocal attacker could possibly use this to cause a denial of service. \n(CVE-2020-36322)\n\nIt was discovered that the Infiniband RDMA userspace connection manager\nimplementation in the Linux kernel contained a race condition leading to a\nuse-after-free vulnerability. A local attacker could use this to cause a\ndenial of service (system crash) or possible execute arbitrary code. A privileged attacker could possibly use this\nto cause a denial of service (system crash) or possibly execute arbitrary\ncode. A privileged attacker could use this to cause a denial\nof service. (CVE-2021-20317)\n\nOr Cohen and Nadav Markus discovered a use-after-free vulnerability in the\nnfc implementation in the Linux kernel. A privileged local attacker could\nuse this issue to cause a denial of service (system crash) or possibly\nexecute arbitrary code. A local\nattacker could use this to cause a denial of service (memory exhaustion). \n(CVE-2021-28688)\n\nIt was discovered that the RPA PCI Hotplug driver implementation in the\nLinux kernel did not properly handle device name writes via sysfs, leading\nto a buffer overflow. A privileged attacker could use this to cause a\ndenial of service (system crash) or possibly execute arbitrary code. A local attacker could use this\nto cause a denial of service (system crash). (CVE-2021-29650)\n\nIt was discovered that a race condition in the kernel Bluetooth subsystem\ncould lead to use-after-free of slab objects. An attacker could use this\nissue to possibly execute arbitrary code. (CVE-2021-32399)\n\nIt was discovered that the CIPSO implementation in the Linux kernel did not\nproperly perform reference counting in some situations, leading to use-\nafter-free vulnerabilities. An attacker could use this to cause a denial of\nservice (system crash) or possibly execute arbitrary code. A local attacker could use this to cause a denial of\nservice (system crash) or possibly execute arbitrary code. (CVE-2021-33034)\n\nAsaf Modelevsky discovered that the Intel(R) Ethernet ixgbe driver for the\nLinux kernel did not properly validate large MTU requests from Virtual\nFunction (VF) devices. A local attacker could possibly use this to cause a\ndenial of service. (CVE-2021-33098)\n\nNorbert Slusarek discovered that the CAN broadcast manger (bcm) protocol\nimplementation in the Linux kernel did not properly initialize memory in\nsome situations. A local attacker could use this to expose sensitive\ninformation (kernel memory). (CVE-2021-34693)\n\n\u9a6c\u54f2\u5b87 discovered that the IEEE 1394 (Firewire) nosy packet sniffer driver in\nthe Linux kernel did not properly perform reference counting in some\nsituations, leading to a use-after-free vulnerability. A local attacker\ncould use this to cause a denial of service (system crash) or possibly\nexecute arbitrary code. A local attacker could use this issue\nto cause a denial of service (system crash). (CVE-2021-3506)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly handle HCI device initialization failure, leading to a double-free\nvulnerability. An attacker could use this to cause a denial of service or\npossibly execute arbitrary code. (CVE-2021-3564)\n\nIt was discovered that the bluetooth subsystem in the Linux kernel did not\nproperly handle HCI device detach events, leading to a use-after-free\nvulnerability. An attacker could use this to cause a denial of service or\npossibly execute arbitrary code. (CVE-2021-3573)\n\nMurray McAllister discovered that the joystick device interface in the\nLinux kernel did not properly validate data passed via an ioctl(). A local\nattacker could use this to cause a denial of service (system crash) or\npossibly execute arbitrary code on systems with a joystick device\nregistered. (CVE-2021-3612)\n\nIt was discovered that the tracing subsystem in the Linux kernel did not\nproperly keep track of per-cpu ring buffer state. A privileged attacker\ncould use this to cause a denial of service. (CVE-2021-3679)\n\nIt was discovered that the Virtio console implementation in the Linux\nkernel did not properly validate input lengths in some situations. A local\nattacker could possibly use this to cause a denial of service (system\ncrash). (CVE-2021-38160)\n\nIt was discovered that the KVM hypervisor implementation in the Linux\nkernel did not properly compute the access permissions for shadow pages in\nsome situations. A local attacker could use this to cause a denial of\nservice. (CVE-2021-38198)\n\nIt was discovered that the MAX-3421 host USB device driver in the Linux\nkernel did not properly handle device removal events. A physically\nproximate attacker could use this to cause a denial of service (system\ncrash). (CVE-2021-38204)\n\nIt was discovered that the NFC implementation in the Linux kernel did not\nproperly handle failed connect events leading to a NULL pointer\ndereference. A local attacker could use this to cause a denial of service. A local attacker could possibly use this\nto expose sensitive information (kernel memory). A local attacker could use\nthis to cause a denial of service or possibly gain administrative\nprivileges. (CVE-2021-40490)\n\nIt was discovered that the 6pack network protocol driver in the Linux\nkernel did not properly perform validation checks. A privileged attacker\ncould use this to cause a denial of service (system crash) or execute\narbitrary code. (CVE-2021-42008)\n\nIt was discovered that the ISDN CAPI implementation in the Linux kernel\ncontained a race condition in certain situations that could trigger an\narray out-of-bounds bug. A privileged local attacker could possibly use\nthis to cause a denial of service or execute arbitrary code. \n(CVE-2021-43389)\n\nIt was discovered that the Phone Network protocol (PhoNet) implementation\nin the Linux kernel did not properly perform reference counting in some\nerror conditions. A local attacker could possibly use this to cause a\ndenial of service (memory exhaustion). An attacker could\nuse this to construct a malicious f2fs image that, when mounted and\noperated on, could cause a denial of service (system crash) or possibly\nexecute arbitrary code. (CVE-2021-45469)\n\nAmit Klein discovered that the IPv6 implementation in the Linux kernel\ncould disclose internal state in some situations. An attacker could\npossibly use this to expose sensitive information. An attacker could use this to\nexpose sensitive information or in conjunction with another kernel\nvulnerability. (CVE-2018-5995)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 16.04 ESM:\n linux-image-4.4.0-1103-kvm 4.4.0-1103.112\n linux-image-4.4.0-1138-aws 4.4.0-1138.152\n linux-image-4.4.0-222-generic 4.4.0-222.255\n linux-image-4.4.0-222-lowlatency 4.4.0-222.255\n linux-image-aws 4.4.0.1138.143\n linux-image-generic 4.4.0.222.229\n linux-image-kvm 4.4.0.1103.101\n linux-image-lowlatency 4.4.0.222.229\n linux-image-virtual 4.4.0.222.229\n\nUbuntu 14.04 ESM:\n linux-image-4.4.0-1102-aws 4.4.0-1102.107\n linux-image-4.4.0-222-generic 4.4.0-222.255~14.04.1\n linux-image-4.4.0-222-lowlatency 4.4.0-222.255~14.04.1\n linux-image-aws 4.4.0.1102.100\n linux-image-generic-lts-xenial 4.4.0.222.193\n linux-image-lowlatency-lts-xenial 4.4.0.222.193\n linux-image-virtual-lts-xenial 4.4.0.222.193\n\nAfter a standard system update you need to reboot your computer to make\nall the necessary changes. \n\nATTENTION: Due to an unavoidable ABI change the kernel updates have\nbeen given a new version number, which requires you to recompile and\nreinstall all third party kernel modules you might have installed. \nUnless you manually uninstalled the standard kernel metapackages\n(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,\nlinux-powerpc), a standard system upgrade will automatically perform\nthis as well. \n\nReferences:\n https://ubuntu.com/security/notices/USN-5343-1\n CVE-2016-2853, CVE-2016-2854, CVE-2018-5995, CVE-2019-19449,\n CVE-2020-12655, CVE-2020-25670, CVE-2020-25671, CVE-2020-25672,\n CVE-2020-25673, CVE-2020-26139, CVE-2020-26147, CVE-2020-26555,\n CVE-2020-26558, CVE-2020-36322, CVE-2020-36385, CVE-2021-0129,\n CVE-2021-20292, CVE-2021-20317, CVE-2021-23134, CVE-2021-28688,\n CVE-2021-28972, CVE-2021-29650, CVE-2021-32399, CVE-2021-33033,\n CVE-2021-33034, CVE-2021-33098, CVE-2021-34693, CVE-2021-3483,\n CVE-2021-3506, CVE-2021-3564, CVE-2021-3573, CVE-2021-3612,\n CVE-2021-3679, CVE-2021-38160, CVE-2021-38198, CVE-2021-38204,\n CVE-2021-38208, CVE-2021-39648, CVE-2021-40490, CVE-2021-42008,\n CVE-2021-43389, CVE-2021-45095, CVE-2021-45469, CVE-2021-45485,\n CVE-2022-0492\n. \nThis update provides the corresponding updates for the Linux KVM\nkernel for Ubuntu 21.04",
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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.