| Name | CVE-2023-42756 |
| Description | A flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET_CMD_ADD and IPSET_CMD_SWAP can lead to a kernel panic due to the invocation of `__ip_set_put` on a wrong `set`. This issue may allow a local user to crash 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 | DLA-3623-1 |
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) | 4.19.304-1 | 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 | 6.7.12-1 | 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 | (not affected) | | | |
| linux | source | bullseye | 5.10.197-1 | | | |
| linux | source | bookworm | 6.1.55-1 | | | |
| linux | source | (unstable) | 6.5.6-1 | | | |
| linux-5.10 | source | buster | 5.10.197-1~deb10u1 | | DLA-3623-1 | |
Notes
[buster] - linux <not-affected> (Vulnerable code not present)
https://www.openwall.com/lists/oss-security/2023/09/27/2
https://git.kernel.org/linus/7433b6d2afd512d04398c73aa984d1e285be125b (6.6-rc3)