Alerts This Week
Warning Icon 1 485
Alerts This Week
Warning Icon 1 485

RedHat: RHSA-2022-8686-01 Important: Kpatch-Patch Security Update

red hat
Calendar Grey November 29, 2022
Dist Redhat Esm H88
SUSE unveils a critical firmware enhancement for the kernel-package impacting OpenSUSE Leap 15.3. Keep your systems safe!
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):
* KVM: cmpxchg_gpte can write to pfns outside the userspace region (CVE-2022-1158)
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 security issue Red Hat kernel patch important update x86_64 kpatch-patch

References

https://access.redhat.com/security/cve/CVE-2022-1158 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_49_1-1-3.el8_4.src.rpm kpatch-patch-4_18_0-305_57_1-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_62_1-1-2.el8_4.src.rpm kpatch-patch-4_18_0-305_65_1-1-1.el8_4.src.rpm
x86_64: kpatch-patch-4_18_0-305_49_1-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_49_1-debuginfo-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_49_1-debugsource-1-3.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_57_1-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_57_1-debuginfo-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_57_1-debugsource-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_62_1-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_62_1-debuginfo-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_62_1-debugsource-1-2.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_65_1-1-1.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_65_1-debuginfo-1-1.el8_4.x86_64.rpm kpatch-patch-4_18_0-305_65_1-debugsource-1-1.el8_4.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:8686-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:8686
Issue date: 2022-11-29

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 security issue Red Hat kernel patch important update x86_64 kpatch-patch

Relevant Releases Architectures

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

Bugs Fixed

2069793 - CVE-2022-1158 kernel: KVM: cmpxchg_gpte can write to pfns outside the userspace region

Get the latest News and Insights

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

Your message here