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Red Hat Enterprise Linux 8.1: RHSA-2023-0856 Important Kernel Update

red hat
Calendar Grey February 21, 2023
Dist Redhat Esm H88
Debian has issued a critical kernel patch to mitigate several security flaws impacting its Buster operating systems.
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):
* kernel: memory corruption in AX88179_178A based USB ethernet device. (CVE-2022-2964)
* kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c (CVE-2022-3564)
* kernel: stack overflow in do_proc_dointvec and proc_skip_spaces (CVE-2022-4378)
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 kernel update memory corruption Red Hat Enterprise Linux security impact stack overflow use-after-free

References

https://access.redhat.com/security/cve/CVE-2022-2964 https://access.redhat.com/security/cve/CVE-2022-3564 https://access.redhat.com/security/cve/CVE-2022-4378 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS E4S (v. 8.1):
Source: kernel-4.18.0-147.80.1.el8_1.src.rpm
aarch64: bpftool-4.18.0-147.80.1.el8_1.aarch64.rpm bpftool-debuginfo-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-core-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-cross-headers-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-debug-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-debug-core-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-debug-debuginfo-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-debug-devel-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-debug-modules-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-debug-modules-extra-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-debuginfo-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-debuginfo-common-aarch64-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-devel-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-headers-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-modules-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-modules-extra-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-tools-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-tools-debuginfo-4.18.0-147.80.1.el8_1.aarch64.rpm kernel-tools-libs-4.18.0-147.80.1.el8_1.aarch64.rpm perf-4.18.0-147.80.1.el8_1.aarch64.rpm perf-debuginfo-4.18.0-147.80.1.el8_1.aarch64.rpm python3-perf-4.18.0-147.80.1.el8_1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:0856-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0856
Issue date: 2023-02-21

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 kernel update memory corruption Red Hat Enterprise Linux security impact stack overflow use-after-free

Relevant Releases Architectures

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

Bugs Fixed

2067482 - CVE-2022-2964 kernel: memory corruption in AX88179_178A based USB ethernet device.

2150999 - CVE-2022-3564 kernel: use-after-free caused by l2cap_reassemble_sdu() in net/bluetooth/l2cap_core.c

2152548 - CVE-2022-4378 kernel: stack overflow in do_proc_dointvec and proc_skip_spaces

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