CVE-2022-42896

Name	CVE-2022-42896
Description	There are use-after-free vulnerabilities in the Linux kernel's net/bluetooth/l2cap_core.c's l2cap_connect and l2cap_le_connect_req functions which may allow code execution and leaking kernel memory (respectively) remotely via Bluetooth. A remote attacker could execute code leaking kernel memory via Bluetooth if within proximity of the victim. We recommend upgrading past commit https://www.google.com/url https://github.com/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://www.google.com/url
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-3244-1, DLA-3245-1

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)	4.19.269-1	fixed
	bullseye	5.10.158-2	fixed
	bullseye (security)	5.10.162-1	fixed
	bookworm	6.1.15-1	fixed
	sid	6.1.20-1	fixed
linux-5.10 (PTS)	buster (security)	5.10.162-1~deb10u1	fixed

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

Package	Type	Release	Fixed Version	Origin
linux	source	buster	4.19.269-1	DLA-3245-1
linux	source	bullseye	5.10.158-1
linux	source	(unstable)	6.0.10-1
linux-5.10	source	buster	5.10.158-2~deb10u1	DLA-3244-1

Notes

https://git.kernel.org/linus/711f8c3fb3db61897080468586b970c87c61d9e4
https://git.kernel.org/linus/f937b758a188d6fd328a81367087eddbb2fce50f
https://github.com/google/security-research/security/advisories/GHSA-pf87-6c9q-jvm4