RHSA-2024:0477 — Security Advisory

An update for frr is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

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):

• ffr: Flowspec overflow in bgpd/bgp_flowspec.c (CVE-2023-38406)

• ffr: Out of bounds read in bgpd/bgp_label.c (CVE-2023-38407)

• frr: crash from specially crafted MP_UNREACH_NLRI-containing BGP UPDATE message (CVE-2023-47234)

• frr: crash from malformed EOR-containing BGP UPDATE message (CVE-2023-47235)

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.