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RedHat: RHSA-2020-2125-01 Important: kpatch-patch Kernel Panic Issue

red hat
Calendar Grey May 13, 2020
Dist Redhat Esm H88
A vital kpatch-patch security enhancement has been released for Red Hat Linux 8, resolving a critical kernel fault problem.
An update for kpatch-patch is now available for Red Hat Enterprise Linux 8

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: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic (CVE-2020-10711)
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 Enterprise Linux important security impact kernel panic kpatch-patch null pointer dereference

References

https://access.redhat.com/security/cve/CVE-2020-10711 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: kpatch-patch-4_18_0-193-1-2.el8.src.rpm
ppc64le: kpatch-patch-4_18_0-193-1-2.el8.ppc64le.rpm kpatch-patch-4_18_0-193-debuginfo-1-2.el8.ppc64le.rpm kpatch-patch-4_18_0-193-debugsource-1-2.el8.ppc64le.rpm
x86_64: kpatch-patch-4_18_0-193-1-2.el8.x86_64.rpm kpatch-patch-4_18_0-193-debuginfo-1-2.el8.x86_64.rpm kpatch-patch-4_18_0-193-debugsource-1-2.el8.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-2020:2125-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2125
Issue date: 2020-05-13

Topic

An update for kpatch-patch is now available for Red Hat Enterprise Linux 8.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 Enterprise Linux important security impact kernel panic kpatch-patch null pointer dereference

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - ppc64le, x86_64

Bugs Fixed

1825116 - CVE-2020-10711 Kernel: NetLabel: null pointer dereference while receiving CIPSO packet with null category may cause kernel panic

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