CVE-2022-3534

NameCVE-2022-3534
DescriptionA vulnerability classified as critical has been found in Linux Kernel. Affected 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. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211032.
SourceCVE (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)
Debian Bugs1023717

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libbpf (PTS)bullseye0.3-2vulnerable
bookworm, sid1.0.1-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libbpfsource(unstable)(unfixed)1023717

Notes

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

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