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Red Hat 6 ELS RHSA-2022:0157-01 Important: Kernel Security Update

red hat
Calendar Grey January 18, 2022
Dist Redhat Esm H88
CentOS Stream updates provide essential patches to address significant security flaws, complete with detailed advisory information.
An update for kernel is now available for Red Hat Enterprise Linux 6 Extended Lifecycle 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

The system must be rebooted for this update to take effect.

Summary

The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
* kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free (CVE-2020-36385)
* 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 red hat important race condition kernel use-after-free

References

https://access.redhat.com/security/cve/CVE-2020-36385 https://access.redhat.com/security/cve/CVE-2021-32399 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Server (v. 6 ELS):
Source: kernel-2.6.32-754.43.1.el6.src.rpm
i386: kernel-2.6.32-754.43.1.el6.i686.rpm kernel-debug-2.6.32-754.43.1.el6.i686.rpm kernel-debug-debuginfo-2.6.32-754.43.1.el6.i686.rpm kernel-debug-devel-2.6.32-754.43.1.el6.i686.rpm kernel-debuginfo-2.6.32-754.43.1.el6.i686.rpm kernel-debuginfo-common-i686-2.6.32-754.43.1.el6.i686.rpm kernel-devel-2.6.32-754.43.1.el6.i686.rpm kernel-headers-2.6.32-754.43.1.el6.i686.rpm perf-2.6.32-754.43.1.el6.i686.rpm perf-debuginfo-2.6.32-754.43.1.el6.i686.rpm python-perf-debuginfo-2.6.32-754.43.1.el6.i686.rpm
noarch: kernel-abi-whitelists-2.6.32-754.43.1.el6.noarch.rpm kernel-doc-2.6.32-754.43.1.el6.noarch.rpm kernel-firmware-2.6.32-754.43.1.el6.noarch.rpm
s390x: kernel-2.6.32-754.43.1.el6.s390x.rpm kernel-debug-2.6.32-754.43.1.el6.s390x.rpm kernel-debug-debuginfo-2.6.32-754.43.1.el6.s390x.rpm kernel-debug-devel-2.6.32-754.43.1.el6.s390x.rpm kernel-debuginfo-2.6.32-754.43.1.el6.s390x.rpm kernel-debuginfo-common-s390x-2.6.32-754.43.1.el6.s390x.rpm kernel-devel-2.6.32-754.43.1.el6.s390x.rpm kernel-headers-2.6.32-754.43.1.el6.s390x.rpm kernel-kdump-2.6.32-754.43.1.el6.s390x.rpm kernel-kdump-debuginfo-2.6.32-754.43.1.el6.s390x.rpm kernel-kdump-devel-2.6.32-754.43.1.el6.s390x.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0157-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0157
Issue date: 2022-01-18

Topic

An update for kernel is now available for Red Hat Enterprise Linux 6Extended Lifecycle 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 red hat important race condition kernel use-after-free

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 6 ELS) - i386, noarch, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6 ELS) - i386, s390x, x86_64

Bugs Fixed

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

1974319 - CVE-2020-36385 kernel: use-after-free in drivers/infiniband/core/ucma.c ctx use-after-free

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