| Name | CVE-2023-32233 |
| Description | In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-3446-1, DLA-3508-1, DSA-5402-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | buster | 4.19.249-2 | vulnerable |
| buster (security) | 4.19.304-1 | fixed | |
| bullseye | 5.10.209-2 | fixed | |
| bullseye (security) | 5.10.205-2 | fixed | |
| bookworm | 6.1.76-1 | fixed | |
| bookworm (security) | 6.1.85-1 | fixed | |
| trixie | 6.6.15-2 | fixed | |
| sid | 6.7.9-2 | fixed | |
| linux-5.10 (PTS) | buster (security) | 5.10.209-2~deb10u1 | 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 | 4.19.289-1 | DLA-3508-1 | ||
| linux | source | bullseye | 5.10.179-1 | DSA-5402-1 | ||
| linux | source | (unstable) | 6.1.27-1 | |||
| linux-5.10 | source | buster | 5.10.179-1~deb10u1 | DLA-3446-1 |
https://www.openwall.com/lists/oss-security/2023/05/08/4
https://git.kernel.org/linus/c1592a89942e9678f7d9c8030efa777c0d57edab (6.4-rc1)
https://www.openwall.com/lists/oss-security/2023/05/15/5