| Name | CVE-2023-4147 |
| Description | A use-after-free flaw was found in the Linux kernel’s Netfilter functionality when adding a rule with NFTA_RULE_CHAIN_ID. This flaw allows a local user to crash or escalate their privileges on the system. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5480-1, DSA-5492-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | buster | 4.19.249-2 | fixed |
| buster (security) | 4.19.289-2 | fixed |
| bullseye | 5.10.178-3 | vulnerable |
| bullseye (security) | 5.10.191-1 | fixed |
| bookworm | 6.1.38-1 | vulnerable |
| bookworm (security) | 6.1.52-1 | fixed |
| trixie, sid | 6.5.3-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/0ebc1064e4874d5987722a2ddbc18f94aa53b211 (6.5-rc4)