| Name | CVE-2023-2156 |
| Description | A flaw was found in the networking subsystem of the Linux kernel within the handling of the RPL protocol. This issue results from the lack of proper handling of user-supplied data, which can lead to an assertion failure. This may allow an unauthenticated remote attacker to create a denial of service condition 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 | DLA-3512-1, DSA-5448-1, DSA-5453-1 |
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 | fixed | |
| bookworm (security) | 6.1.52-1 | fixed | |
| sid, trixie | 6.5.3-1 | fixed | |
| linux-5.10 (PTS) | buster (security) | 5.10.179-5~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 | 5.10.179-2 | DSA-5453-1 | ||
| linux | source | bookworm | 6.1.37-1 | DSA-5448-1 | ||
| linux | source | (unstable) | 6.3.11-1 | |||
| linux-5.10 | source | buster | 5.10.179-3~deb10u1 | DLA-3512-1 |
[buster] - linux <not-affected> (Vulnerable code not present)
https://www.zerodayinitiative.com/advisories/ZDI-23-547/
https://www.interruptlabs.co.uk//articles/linux-ipv6-route-of-death
https://git.kernel.org/linus/a2f4c143d76b1a47c91ef9bc46907116b111da0b (6.4-rc6)