CVE-2022-3534

Name	CVE-2022-3534
Description	A vulnerability has been found in Linux Kernel up to 5.10.162/5.15.85/6.0.15/6.1.1. The impacted element is the function btf_dump_name_dups of the file tools/lib/bpf/btf_dump.c of the component libbpf. The manipulation leads to use after free. Upgrading to version 5.10.163, 5.15.86, 6.0.16, 6.1.2 and 6.2 is sufficient to resolve this issue. The identifier of the patch is c61650b869e0b6fb0c0a28ed42d928eea969afc8/fbe08093fb2334549859829ef81d42570812597d/8c64a8e76eb85d422af5ec60ccbf26e3ead8c333/a733bf10198eb5bb927890940de8ab457491ed3b/93c660ca40b5d2f7c1b1626e955a8e9fa30e0749. You should upgrade the affected component.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-4137-1
Debian Bugs	1023717

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libbpf (PTS)	bullseye	0.3-2	vulnerable
	bullseye (security)	0.3-2+deb11u1	fixed
	bookworm	1.1.2-0+deb12u1	fixed
	trixie	1.5.0-3	fixed
	forky, sid	1.7.0-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libbpf	source	bullseye	0.3-2+deb11u1		DLA-4137-1
libbpf	source	(unstable)	1.1.0-1			1023717

Notes

Introduced by: https://github.com/libbpf/libbpf/commit/7ac1547f32f060d84b06c74edbb2c6896cc07949 (v0.2)
Fixed by: https://github.com/libbpf/libbpf/commit/54caf920db0e489de90f3aaaa41e2a51ddbcd084 (v1.1.0)