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Red Hat Enterprise Linux 9.0 RHSA-2023-1468 Critical: Kernel Security Fix
red hat
March 27, 2023
An update for kernel is now available for Red Hat Enterprise Linux 9.0 Extended Update Support
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.
Summary
The kernel packages contain the Linux kernel, the core of any Linux
operating system.
Security Fix(es):
* kernel: tun: avoid double free in tun_free_netdev (CVE-2022-4744)
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):
* RHEL 9.1 Extending NMI watchdog's timer during LPM (BZ#2140086)
* RHEL9.1 Rainer 2gb/4GB LMB: kdump is not working with 2GB/4GB LMB
size[FW1030]. (BZ#2151867)
* RHEL9.0 - s390/kexec: fix ipl report address for kdump (BZ#2166904)
* Azure RHEL-9 RMB MANA: RMB Patch To Backport On The Azure Linux Images
(BZ#2172876)
Enhancement(s):
* IBM 9.2 FEAT Upgrade the QETH driver to the latest from upstream, e.g.
kernel 6.0 (BZ#2166305)
Topics Covered
References
https://access.redhat.com/security/cve/CVE-2022-4744 https://access.redhat.com/security/updates/classification#important
Package List
Red Hat Enterprise Linux AppStream EUS (v.9.0):
aarch64:
bpftool-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-devel-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-debuginfo-common-aarch64-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-devel-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-devel-matched-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-headers-5.14.0-70.50.2.el9_0.aarch64.rpm
kernel-tools-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
perf-5.14.0-70.50.2.el9_0.aarch64.rpm
perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
python3-perf-debuginfo-5.14.0-70.50.2.el9_0.aarch64.rpm
noarch:
kernel-doc-5.14.0-70.50.2.el9_0.noarch.rpm
ppc64le:
bpftool-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-devel-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debug-devel-matched-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debuginfo-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-debuginfo-common-ppc64le-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-devel-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-devel-matched-5.14.0-70.50.2.el9_0.ppc64le.rpm
kernel-headers-5.14.0-70.50.2.el9_0.ppc64le.rpm
Read the Full Advisory
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Severity
important
Lowest
Low
Medium
High
Critical
Advisory ID: RHSA-2023:1468-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1468
Issue date: 2023-03-27
Topic
An update for kernel is now available for Red Hat Enterprise Linux 9.0Extended Update 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.
Topics Covered
Relevant Releases Architectures
Red Hat CodeReady Linux Builder EUS (v.9.0) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux AppStream EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.9.0) - aarch64, noarch, ppc64le, s390x, x86_64
Bugs Fixed
2156322 - CVE-2022-4744 kernel: tun: avoid double free in tun_free_netdev
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