RedHat: RHSA-2022-1417:01 Important: kernel security update
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: use after free in eventpoll.c may lead to escalation of privilege
(CVE-2020-0466)
* kernel: Use After Free in unix_gc() which could result in a local
privilege escalation (CVE-2021-0920)
* kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL
(CVE-2021-4155)
* kernel: cgroups v1 release_agent feature may allow privilege escalation
(CVE-2022-0492)
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.
Summary
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.
References
https://access.redhat.com/security/cve/CVE-2020-0466 https://access.redhat.com/security/cve/CVE-2021-0920 https://access.redhat.com/security/cve/CVE-2021-4155 https://access.redhat.com/security/cve/CVE-2022-0492 https://access.redhat.com/security/updates/classification/#important
Package List
Red Hat Enterprise Linux Server (v. 6 ELS):
Source:
kernel-2.6.32-754.47.1.el6.src.rpm
i386:
kernel-2.6.32-754.47.1.el6.i686.rpm
kernel-debug-2.6.32-754.47.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.47.1.el6.i686.rpm
kernel-debug-devel-2.6.32-754.47.1.el6.i686.rpm
kernel-debuginfo-2.6.32-754.47.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.47.1.el6.i686.rpm
kernel-devel-2.6.32-754.47.1.el6.i686.rpm
kernel-headers-2.6.32-754.47.1.el6.i686.rpm
perf-2.6.32-754.47.1.el6.i686.rpm
perf-debuginfo-2.6.32-754.47.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.47.1.el6.i686.rpm
noarch:
kernel-abi-whitelists-2.6.32-754.47.1.el6.noarch.rpm
kernel-doc-2.6.32-754.47.1.el6.noarch.rpm
kernel-firmware-2.6.32-754.47.1.el6.noarch.rpm
s390x:
kernel-2.6.32-754.47.1.el6.s390x.rpm
kernel-debug-2.6.32-754.47.1.el6.s390x.rpm
kernel-debug-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
kernel-debug-devel-2.6.32-754.47.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.47.1.el6.s390x.rpm
kernel-devel-2.6.32-754.47.1.el6.s390x.rpm
kernel-headers-2.6.32-754.47.1.el6.s390x.rpm
kernel-kdump-2.6.32-754.47.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
kernel-kdump-devel-2.6.32-754.47.1.el6.s390x.rpm
perf-2.6.32-754.47.1.el6.s390x.rpm
perf-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
x86_64:
kernel-2.6.32-754.47.1.el6.x86_64.rpm
kernel-debug-2.6.32-754.47.1.el6.x86_64.rpm
kernel-debug-debuginfo-2.6.32-754.47.1.el6.i686.rpm
kernel-debug-debuginfo-2.6.32-754.47.1.el6.x86_64.rpm
kernel-debug-devel-2.6.32-754.47.1.el6.i686.rpm
kernel-debug-devel-2.6.32-754.47.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.47.1.el6.i686.rpm
kernel-debuginfo-2.6.32-754.47.1.el6.x86_64.rpm
kernel-debuginfo-common-i686-2.6.32-754.47.1.el6.i686.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.47.1.el6.x86_64.rpm
kernel-devel-2.6.32-754.47.1.el6.x86_64.rpm
kernel-headers-2.6.32-754.47.1.el6.x86_64.rpm
perf-2.6.32-754.47.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.47.1.el6.i686.rpm
perf-debuginfo-2.6.32-754.47.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.47.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.47.1.el6.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6 ELS):
i386:
kernel-debug-debuginfo-2.6.32-754.47.1.el6.i686.rpm
kernel-debuginfo-2.6.32-754.47.1.el6.i686.rpm
kernel-debuginfo-common-i686-2.6.32-754.47.1.el6.i686.rpm
perf-debuginfo-2.6.32-754.47.1.el6.i686.rpm
python-perf-2.6.32-754.47.1.el6.i686.rpm
python-perf-debuginfo-2.6.32-754.47.1.el6.i686.rpm
s390x:
kernel-debug-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
kernel-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
kernel-debuginfo-common-s390x-2.6.32-754.47.1.el6.s390x.rpm
kernel-kdump-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
perf-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
python-perf-2.6.32-754.47.1.el6.s390x.rpm
python-perf-debuginfo-2.6.32-754.47.1.el6.s390x.rpm
x86_64:
kernel-debug-debuginfo-2.6.32-754.47.1.el6.x86_64.rpm
kernel-debuginfo-2.6.32-754.47.1.el6.x86_64.rpm
kernel-debuginfo-common-x86_64-2.6.32-754.47.1.el6.x86_64.rpm
perf-debuginfo-2.6.32-754.47.1.el6.x86_64.rpm
python-perf-2.6.32-754.47.1.el6.x86_64.rpm
python-perf-debuginfo-2.6.32-754.47.1.el6.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/
Topic
An update for kernel is now available for Red Hat Enterprise Linux 6Extended Lifecycle Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux Server (v. 6 ELS) - i386, noarch, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64
Bugs Fixed
1920480 - CVE-2020-0466 kernel: use after free in eventpoll.c may lead to escalation of privilege
2031930 - CVE-2021-0920 kernel: Use After Free in unix_gc() which could result in a local privilege escalation
2034813 - CVE-2021-4155 kernel: xfs: raw block device data leak in XFS_IOC_ALLOCSP IOCTL
2051505 - CVE-2022-0492 kernel: cgroups v1 release_agent feature may allow privilege escalation