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Red Hat 9 RHSA-2022:4795-02 Critical: Rsyslog Memory Leak Vulnerability

red hat
Calendar Grey May 30, 2022
Dist Redhat Esm H88
A critical patch for rsyslog resolving buffer overflow vulnerabilities in Red Hat Enterprise Linux 9 has been issued.
An update for rsyslog is now available for Red Hat Enterprise Linux 9

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

The rsyslog packages provide an enhanced, multi-threaded syslog daemon. It supports MySQL, syslog/TCP, RFC 3195, permitted sender lists, filtering on any message part, and fine-grained control over output format.
Security Fix(es):
* rsyslog: Heap-based overflow in TCP syslog server (CVE-2022-24903)
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 update important heap overflow syslog Rsyslog

References

https://access.redhat.com/security/cve/CVE-2022-24903 https://access.redhat.com/security/updates/classification#important https://bugzilla.redhat.com/show_bug.cgi?id=2081353

Package List

Red Hat Enterprise Linux AppStream (v. 9):
Source: rsyslog-8.2102.0-101.el9_0.1.src.rpm
aarch64: rsyslog-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-crypto-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-crypto-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-debugsource-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-elasticsearch-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-elasticsearch-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-gnutls-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-gnutls-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-gssapi-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-gssapi-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-kafka-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-kafka-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-logrotate-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-mmaudit-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-mmaudit-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-mmfields-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-mmfields-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-mmjsonparse-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-mmjsonparse-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-mmkubernetes-8.2102.0-101.el9_0.1.aarch64.rpm rsyslog-mmkubernetes-debuginfo-8.2102.0-101.el9_0.1.aarch64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:4795-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4795
Issue date: 2022-05-30

Topic

An update for rsyslog is now available for Red Hat Enterprise Linux 9.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 update important heap overflow syslog Rsyslog

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

2081353 - CVE-2022-24903 rsyslog: Heap-based overflow in TCP syslog server

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