| Name | CVE-2023-2163 |
| Description | Incorrect verifier pruning in BPF in Linux Kernel >=5.4 leads to unsafe code paths being incorrectly marked as safe, resulting in arbitrary read/write in kernel memory, lateral privilege escalation, and container escape. |
| 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) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.244-1 | 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, sid | 6.16.12-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | buster | (not affected) | |||
| linux | source | bullseye | 5.10.179-1 | |||
| linux | source | (unstable) | 6.1.27-1 |
[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/71b547f561247897a0a14f3082730156c0533fed (6.3)
https://bughunters.google.com/blog/6303226026131456/a-deep-dive-into-cve-2023-2163-how-we-found-and-fixed-an-ebpf-linux-kernel-vulnerability