Red Hat: RHSA-2023-0440-01 Important: Kernel Security Threat
red hat
January 24, 2023
An update for kernel is now available for Red Hat Enterprise Linux 8.6 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: i915: Incorrect GPU TLB flush can lead to random memory access
(CVE-2022-4139)
* hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions
(CVE-2022-26373)
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):
* Azure: Sometimes newly deployed VMs are not getting accelerated network
during provisioning (BZ#2155273)
* Azure: VM Deployment Failures Patch Request (BZ#2155281)
Topics Covered
References
https://access.redhat.com/security/cve/CVE-2022-4139 https://access.redhat.com/security/cve/CVE-2022-26373 https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/solutions/6971358
Package List
Red Hat Enterprise Linux BaseOS EUS (v.8.6):
Source:
kernel-4.18.0-372.41.1.el8_6.src.rpm
aarch64:
bpftool-4.18.0-372.41.1.el8_6.aarch64.rpm
bpftool-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-core-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-cross-headers-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-debug-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-debug-core-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-debug-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-debug-devel-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-debug-modules-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-debug-modules-extra-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-debuginfo-common-aarch64-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-devel-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-headers-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-modules-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-modules-extra-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-tools-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-tools-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm
kernel-tools-libs-4.18.0-372.41.1.el8_6.aarch64.rpm
perf-4.18.0-372.41.1.el8_6.aarch64.rpm
perf-debuginfo-4.18.0-372.41.1.el8_6.aarch64.rpm
python3-perf-4.18.0-372.41.1.el8_6.aarch64.rpm
Read the Full Advisory
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Severity
important
Lowest
Low
Medium
High
Critical
Advisory ID: RHSA-2023:0440-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0440
Issue date: 2023-01-24
Topic
An update for kernel is now available for Red Hat Enterprise Linux 8.6Extended 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.8.6) - aarch64, ppc64le, x86_64
Red Hat Enterprise Linux BaseOS EUS (v.8.6) - aarch64, noarch, ppc64le, s390x, x86_64
Bugs Fixed
2115065 - CVE-2022-26373 hw: cpu: Intel: Post-barrier Return Stack Buffer Predictions
2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access
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