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Red Hat Enterprise Linux 7: RHSA-2021-3392-01 Critical Kpatch Patch

red hat
Calendar Grey August 31, 2021
Dist Redhat Esm H88
Debian issues critical security patch for live-patch service addressing a synchronization flaw in the operating system's core for business environments.
An update is now available for Red Hat Enterprise Linux 7

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: race condition for removal of the HCI controller (CVE-2021-32399)
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 patch important race condition kernel red hat enterprise kpatch

References

https://access.redhat.com/security/cve/CVE-2021-32399 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server E4S (v. 7.6):
Source: kpatch-patch-3_10_0-957_61_1-1-5.el7.src.rpm kpatch-patch-3_10_0-957_61_2-1-5.el7.src.rpm kpatch-patch-3_10_0-957_62_1-1-5.el7.src.rpm kpatch-patch-3_10_0-957_65_1-1-5.el7.src.rpm kpatch-patch-3_10_0-957_66_1-1-5.el7.src.rpm kpatch-patch-3_10_0-957_70_1-1-4.el7.src.rpm kpatch-patch-3_10_0-957_72_1-1-2.el7.src.rpm kpatch-patch-3_10_0-957_76_1-1-2.el7.src.rpm kpatch-patch-3_10_0-957_78_2-1-1.el7.src.rpm
ppc64le: kpatch-patch-3_10_0-957_61_1-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_61_1-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_61_2-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_61_2-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_62_1-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_62_1-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_65_1-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_65_1-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_66_1-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_66_1-debuginfo-1-5.el7.ppc64le.rpm kpatch-patch-3_10_0-957_70_1-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-957_70_1-debuginfo-1-4.el7.ppc64le.rpm kpatch-patch-3_10_0-957_72_1-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-957_72_1-debuginfo-1-2.el7.ppc64le.rpm kpatch-patch-3_10_0-957_76_1-1-2.el7.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3392-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3392
Issue date: 2021-08-31

Topic

An update is now available for Red Hat Enterprise Linux 7.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 patch important race condition kernel red hat enterprise kpatch

Relevant Releases Architectures

Red Hat Enterprise Linux Server E4S (v. 7.6) - ppc64le, x86_64

Bugs Fixed

1970807 - CVE-2021-32399 kernel: race condition for removal of the HCI controller

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