CVE-2023-3772

Name	CVE-2023-3772
Description	A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-5492-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	buster	4.19.249-2	vulnerable
	buster (security)	4.19.289-2	vulnerable
	bullseye	5.10.178-3	vulnerable
	bullseye (security)	5.10.191-1	vulnerable
	bookworm	6.1.38-1	vulnerable
	bookworm (security)	6.1.52-1	fixed
	sid, trixie	6.5.3-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
linux	source	bookworm	6.1.52-1		DSA-5492-1
linux	source	(unstable)	6.4.13-1

https://lore.kernel.org/netdev/20230721145103.2714073-1-linma@zju.edu.cn/
https://www.openwall.com/lists/oss-security/2023/08/10/1