RHSA-2024:2156 — 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):

• frr: incorrect length check in bgp_capability_llgr() can lead do DoS (CVE-2023-31489)

• frr: missing length check in bgp_attr_psid_sub() can lead do DoS (CVE-2023-31490)

• frr: processes invalid NLRIs if attribute length is zero (CVE-2023-41358)

• frr: out of bounds read in bgp_attr_aigp_valid (CVE-2023-41359)

• frr: NULL pointer dereference in bgp_nlri_parse_flowspec() in bgpd/bgp_flowspec.c (CVE-2023-41909)

• frr: mishandled malformed data leading to a crash (CVE-2023-46752)

• frr: crafted BGP UPDATE message leading to a crash (CVE-2023-46753)

• frr: ahead-of-stream read of ORF header (CVE-2023-41360)

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.

Additional Changes:

For detailed information on changes in this release, see the Red Hat Enterprise Linux 9.4 Release Notes linked from the References section.