RLSA-2026:49527

Synopsis

Important: frr security, bug fix, and enhancement update

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. [rhel-9.8.z] (JIRA:Rocky Linux-152300)

* frr triggers SELinux denials when reading root's Python site-packages directory on Rocky Linux-9 (JIRA:Rocky Linux-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 products

Rocky Linux 9 aarch64 Rocky Linux 9 ppc64le Rocky Linux 9 s390x Rocky Linux 9 x86_64

Fixes

2484385

CVEs

CVE-2026-37460

Affected packages

Rocky Linux 9 aarch64 - AppStream

frr-0:8.5.3-15.el9_8.1.aarch64.rpm frr-0:8.5.3-15.el9_8.1.src.rpm frr-debuginfo-0:8.5.3-15.el9_8.1.aarch64.rpm frr-debugsource-0:8.5.3-15.el9_8.1.aarch64.rpm frr-selinux-0:8.5.3-15.el9_8.1.noarch.rpm

Rocky Linux 9 ppc64le - AppStream

frr-0:8.5.3-15.el9_8.1.ppc64le.rpm frr-0:8.5.3-15.el9_8.1.src.rpm frr-debuginfo-0:8.5.3-15.el9_8.1.ppc64le.rpm frr-debugsource-0:8.5.3-15.el9_8.1.ppc64le.rpm frr-selinux-0:8.5.3-15.el9_8.1.noarch.rpm

Rocky Linux 9 s390x - AppStream

frr-0:8.5.3-15.el9_8.1.s390x.rpm frr-0:8.5.3-15.el9_8.1.src.rpm frr-debuginfo-0:8.5.3-15.el9_8.1.s390x.rpm frr-debugsource-0:8.5.3-15.el9_8.1.s390x.rpm frr-selinux-0:8.5.3-15.el9_8.1.noarch.rpm

Rocky Linux 9 x86_64 - AppStream

frr-0:8.5.3-15.el9_8.1.src.rpm frr-0:8.5.3-15.el9_8.1.x86_64.rpm frr-debuginfo-0:8.5.3-15.el9_8.1.x86_64.rpm frr-debugsource-0:8.5.3-15.el9_8.1.x86_64.rpm frr-selinux-0:8.5.3-15.el9_8.1.noarch.rpm