CVE-2022-37035

Name	CVE-2022-37035
Description	An issue was discovered in bgpd in FRRouting (FRR) 8.3. In bgp_notify_send_with_data() and bgp_process_packet() in bgp_packet.c, there is a possible use-after-free due to a race condition. This could lead to Remote Code Execution or Information Disclosure by sending crafted BGP packets. User interaction is not needed for exploitation.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3797-1, DLA-3865-1
Debian Bugs	1016978

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
frr (PTS)	bullseye	7.5.1-1.1+deb11u2	vulnerable
	bullseye (security)	7.5.1-1.1+deb11u3	fixed
	bookworm, bookworm (security)	8.4.4-1.1~deb12u1	fixed
	sid, trixie	10.1.1-0.1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin	Debian Bugs
frr	source	buster	7.5.1-1.1+deb10u2	DLA-3797-1
frr	source	bullseye	7.5.1-1.1+deb11u3	DLA-3865-1
frr	source	(unstable)	8.4.1-1		1016978

Notes

https://github.com/FRRouting/frr/issues/11698
https://github.com/FRRouting/frr/pull/11926
https://github.com/FRRouting/frr/commit/71ca5b09bc71e8cbe38177cf41e83fe164e52eee