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Red Hat 8.1: RHSA-2023:1588-01 Important: Kernel Update

red hat
Calendar Grey April 4, 2023
Dist Redhat Esm H88
Significant kernel enhancement boosts safety for Red Hat Enterprise Linux 8.1, swiftly tackling notable weaknesses.
An update for kernel is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

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):
* ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF (CVE-2023-0266)
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.

Topics%20covered

Topics Covered

security advisory Red Hat kernel update security fix system reboot Important UAF issue

References

https://access.redhat.com/security/cve/CVE-2023-0266 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS E4S (v. 8.1):
Source: kernel-4.18.0-147.81.1.el8_1.src.rpm
aarch64: bpftool-4.18.0-147.81.1.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-core-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-devel-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-headers-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-modules-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-tools-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.81.1.el8_1.aarch64.rpm perf-4.18.0-147.81.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.81.1.el8_1.aarch64.rpm python3-perf-4.18.0-147.81.1.el8_1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:1588-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:1588
Issue date: 2023-04-04

Topic

An update for kernel is now available for Red Hat Enterprise Linux 8.1Update Services for SAP Solutions.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%20covered

Topics Covered

security advisory Red Hat kernel update security fix system reboot Important UAF issue

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS E4S (v. 8.1) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2163379 - CVE-2023-0266 ALSA: pcm: Move rwsem lock inside snd_ctl_elem_read to prevent UAF

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