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Red Hat: RHSA-2022-1619-01 Important: kpatch DoS Threat

red hat
Calendar Grey April 27, 2022
Dist Redhat Esm H88
Critical kpatch security enhancement for Red Hat Enterprise Linux mitigates remote stack overflow vulnerabilities that could result in Denial of Service (DoS) incidents.
An update is now available for Red Hat Enterprise Linux 8.1 Update Services for SAP Solutions

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: remote stack overflow via kernel panic on systems using TIPC may lead to DoS (CVE-2022-0435)
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 DoS Red Hat Enterprise Linux remote stack overflow kpatch update

References

https://access.redhat.com/security/cve/CVE-2022-0435 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux BaseOS E4S (v. 8.1):
Source: kpatch-patch-4_18_0-147_48_1-1-8.el8_1.src.rpm kpatch-patch-4_18_0-147_51_1-1-7.el8_1.src.rpm kpatch-patch-4_18_0-147_51_2-1-6.el8_1.src.rpm kpatch-patch-4_18_0-147_52_1-1-5.el8_1.src.rpm kpatch-patch-4_18_0-147_54_2-1-4.el8_1.src.rpm kpatch-patch-4_18_0-147_56_1-1-4.el8_1.src.rpm kpatch-patch-4_18_0-147_57_1-1-3.el8_1.src.rpm kpatch-patch-4_18_0-147_58_1-1-2.el8_1.src.rpm kpatch-patch-4_18_0-147_59_1-1-2.el8_1.src.rpm kpatch-patch-4_18_0-147_64_1-1-1.el8_1.src.rpm
ppc64le: kpatch-patch-4_18_0-147_48_1-1-8.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_48_1-debuginfo-1-8.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_48_1-debugsource-1-8.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_1-1-7.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_1-debuginfo-1-7.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_1-debugsource-1-7.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_2-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_2-debuginfo-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_51_2-debugsource-1-6.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_52_1-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_52_1-debuginfo-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_52_1-debugsource-1-5.el8_1.ppc64le.rpm kpatch-patch-4_18_0-147_54_2-1-4.el8_1.ppc64le.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:1619-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:1619
Issue date: 2022-04-27

Topic

An update is now available for Red Hat Enterprise Linux 8.1 Update Servicesfor SAP Solutions.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 DoS Red Hat Enterprise Linux remote stack overflow kpatch update

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS E4S (v. 8.1) - ppc64le, x86_64

Bugs Fixed

2048738 - CVE-2022-0435 kernel: remote stack overflow via kernel panic on systems using TIPC may lead to DoS

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