CVE-2022-2905

NameCVE-2022-2905
DescriptionAn out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3173-1, ELA-723-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1vulnerable
stretch (security)4.9.320-2vulnerable
stretch (lts), stretch4.9.320-3vulnerable
buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.218-1fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.90-1fixed
sid, trixie6.8.12-1fixed
linux-5.10 (PTS)stretch (lts), stretch5.10.216-1~deb9u1fixed
buster (security)5.10.216-1~deb10u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie(unfixed)end-of-life
linuxsourcestretch(unfixed)end-of-life
linuxsourcebuster(not affected)
linuxsourcebullseye5.10.140-1
linuxsource(unstable)5.19.6-1
linux-5.10sourcestretch5.10.149-2~deb9u1ELA-723-1
linux-5.10sourcebuster5.10.149-2~deb10u1DLA-3173-1

Notes

[buster] - linux <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2022/08/26/1

Search for package or bug name: Reporting problems