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Red Hat 8.4: RHSA-2023-5196-01 Important: frr BGP Issue

red hat
Calendar Grey September 18, 2023
Dist Redhat Esm H88
Red Hat announces a significant upgrade for frr impacting various functionalities, incorporating essential security patches and improvements.
An update for frr is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Telecommunications Update Service, and Re...

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

FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.
Security Fix(es):
* frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router (CVE-2023-38802)
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.
Bug Fix(es):
* BFD crash in FRR running in MetalLB (BZ#2231831)

Topics%20covered

Topics Covered

security advisory Red Hat bug fix important update TCP/IP BGP issue frr

References

https://access.redhat.com/security/cve/CVE-2023-38802 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux AppStream AUS (v.8.4):
Source: frr-7.5-4.el8_4.4.src.rpm
x86_64: frr-7.5-4.el8_4.4.x86_64.rpm frr-debuginfo-7.5-4.el8_4.4.x86_64.rpm frr-debugsource-7.5-4.el8_4.4.x86_64.rpm
Red Hat Enterprise Linux AppStream E4S (v.8.4):
Source: frr-7.5-4.el8_4.4.src.rpm
aarch64: frr-7.5-4.el8_4.4.aarch64.rpm frr-debuginfo-7.5-4.el8_4.4.aarch64.rpm frr-debugsource-7.5-4.el8_4.4.aarch64.rpm
ppc64le: frr-7.5-4.el8_4.4.ppc64le.rpm frr-debuginfo-7.5-4.el8_4.4.ppc64le.rpm frr-debugsource-7.5-4.el8_4.4.ppc64le.rpm
s390x: frr-7.5-4.el8_4.4.s390x.rpm frr-debuginfo-7.5-4.el8_4.4.s390x.rpm frr-debugsource-7.5-4.el8_4.4.s390x.rpm
x86_64: frr-7.5-4.el8_4.4.x86_64.rpm frr-debuginfo-7.5-4.el8_4.4.x86_64.rpm frr-debugsource-7.5-4.el8_4.4.x86_64.rpm
Red Hat Enterprise Linux AppStream TUS (v.8.4):
Source: frr-7.5-4.el8_4.4.src.rpm
aarch64: frr-7.5-4.el8_4.4.aarch64.rpm frr-debuginfo-7.5-4.el8_4.4.aarch64.rpm frr-debugsource-7.5-4.el8_4.4.aarch64.rpm
ppc64le: frr-7.5-4.el8_4.4.ppc64le.rpm frr-debuginfo-7.5-4.el8_4.4.ppc64le.rpm frr-debugsource-7.5-4.el8_4.4.ppc64le.rpm
s390x: frr-7.5-4.el8_4.4.s390x.rpm frr-debuginfo-7.5-4.el8_4.4.s390x.rpm frr-debugsource-7.5-4.el8_4.4.s390x.rpm
x86_64: frr-7.5-4.el8_4.4.x86_64.rpm frr-debuginfo-7.5-4.el8_4.4.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2023:5196-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5196
Issue date: 2023-09-18

Topic

An update for frr is now available for Red Hat Enterprise Linux 8.4Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4Telecommunications Update Service, and Red Hat Enterprise Linux 8.4 UpdateServices for 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 Red Hat bug fix important update TCP/IP BGP issue frr

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream AUS (v.8.4) - x86_64

Red Hat Enterprise Linux AppStream E4S (v.8.4) - aarch64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux AppStream TUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2230983 - CVE-2023-38802 frr: Incorrect handling of a error in parsing of an invalid section of a BGP update can de-peer a router

2231831 - BFD crash in FRR running in MetalLB [rhel-8.4.0.z]

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