[RHSA-2023:5196-01] Important: frr security and bug fix update

Mon Sep 18 15:27:12 UTC 2023

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 Red Hat Enterprise Linux 8.4 Update
Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. 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

3. Description:

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)

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

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]

6. 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
frr-debugsource-7.5-4.el8_4.4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

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

8. Contact:

The Red Hat security contact is <secalert at redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=LOA7
-----END PGP SIGNATURE-----