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Red Hat Enterprise Linux 8.1 RHSA-2023:0858-01 Important kpatch Update

red hat
Calendar Grey February 21, 2023
Dist Redhat Esm H88
Discover the crucial kpatch-patch security enhancement for Red Hat Enterprise Linux and the implications it has on kernel robustness.
An update for kpatch-patch 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

Summary

This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
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 update memory corruption kernel patch Red Hat Enterprise Linux important kpatch-patch

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: kpatch-patch-4_18_0-147_70_1-1-3.el8_1.src.rpm kpatch-patch-4_18_0-147_74_1-1-3.el8_1.src.rpm kpatch-patch-4_18_0-147_76_1-1-2.el8_1.src.rpm kpatch-patch-4_18_0-147_77_1-1-2.el8_1.src.rpm kpatch-patch-4_18_0-147_78_1-1-1.el8_1.src.rpm
ppc64le: kpatch-patch-4_18_0-147_70_1-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_70_1-debuginfo-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_70_1-debugsource-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_74_1-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_74_1-debuginfo-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_74_1-debugsource-1-3.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_76_1-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_76_1-debuginfo-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_76_1-debugsource-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_77_1-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_77_1-debuginfo-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_77_1-debugsource-1-2.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-1-1.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-debuginfo-1-1.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_78_1-debugsource-1-1.el8_1.ppc64le.rpm
x86_64: kpatch-patch-4_18_0-147_70_1-1-3.el8_1.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:0858-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0858
Issue date: 2023-02-21

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux8.1 Update 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 update memory corruption kernel patch Red Hat Enterprise Linux important kpatch-patch

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS E4S (v. 8.1) - ppc64le, 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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