Release frr-8.5.3-15.el9_8.1 ALSA-2026:49527

frr security, bug fix, and enhancement update
Severity: Important
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: FRRouting: Denial of Service via crafted BGP UPDATE message (CVE-2026-37460)

Bug Fix(es) and Enhancement(s):

* Zebra is not installing the route in the kernel after flapping one of the physical link on the ocp worker node. [almalinux-9.8.z] (JIRA:AlmaLinux-152300)
* frr triggers SELinux denials when reading root's Python site-packages directory on AlmaLinux-9 (JIRA:AlmaLinux-176258)

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.

Affected packages:
frr-8.5.3-15.el9_8.1.x86_64
frr-selinux-8.5.3-15.el9_8.1.noarch
frr-8.5.3-15.el9_8.1.s390x
frr-selinux-8.5.3-15.el9_8.1.noarch
frr-8.5.3-15.el9_8.1.ppc64le
frr-selinux-8.5.3-15.el9_8.1.noarch
frr-8.5.3-15.el9_8.1.aarch64
frr-selinux-8.5.3-15.el9_8.1.noarch