Alerts This Week
Warning Icon 1 640
Alerts This Week
Warning Icon 1 640

Red Hat Enterprise Linux 8.4: RHSA-2022:4809-01 Critical Kpatch Bug

red hat
Calendar Grey May 31, 2022
Dist Redhat Esm H88
Crucial security enhancement for Red Hat Enterprise Linux via kpatch-patch mitigates buffer overflow risks proficiently.
An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.4 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

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: buffer overflow in IPsec ESP transformation code (CVE-2022-27666)
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 buffer overflow security fix Red Hat Enterprise Linux important kernel kpatch-patch

References

https://access.redhat.com/security/cve/CVE-2022-27666 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS EUS (v.8.4):
Source: kpatch-patch-4_18_0-305_10_2-1-10.el8_4.src.rpm kpatch-patch-4_18_0-305_12_1-1-9.el8_4.src.rpm kpatch-patch-4_18_0-305_17_1-1-8.el8_4.src.rpm kpatch-patch-4_18_0-305_19_1-1-8.el8_4.src.rpm kpatch-patch-4_18_0-305_25_1-1-7.el8_4.src.rpm kpatch-patch-4_18_0-305_28_1-1-5.el8_4.src.rpm kpatch-patch-4_18_0-305_30_1-1-5.el8_4.src.rpm kpatch-patch-4_18_0-305_34_2-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_3_1-1-12.el8_4.src.rpm kpatch-patch-4_18_0-305_40_1-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_40_2-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_45_1-1-1.el8_4.src.rpm kpatch-patch-4_18_0-305_7_1-1-11.el8_4.src.rpm
ppc64le: kpatch-patch-4_18_0-305_10_2-1-10.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_10_2-debuginfo-1-10.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_10_2-debugsource-1-10.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_12_1-1-9.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_12_1-debuginfo-1-9.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_12_1-debugsource-1-9.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_17_1-1-8.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_17_1-debuginfo-1-8.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_17_1-debugsource-1-8.el8_4.ppc64le.rpm kpatch-patch-4_18_0-305_19_1-1-8.el8_4.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:4809-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4809
Issue date: 2022-05-31

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux8.4 Extended 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%20covered

Topics Covered

security advisory buffer overflow security fix Red Hat Enterprise Linux important kernel kpatch-patch

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v.8.4) - ppc64le, x86_64

Bugs Fixed

2061633 - CVE-2022-27666 kernel: buffer overflow in IPsec ESP transformation code

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here