CVE-2023-2156

NameCVE-2023-2156
DescriptionA 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3512-1, DSA-5448-1, DSA-5453-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.69-1fixed
trixie, sid6.6.15-2fixed
linux-5.10 (PTS)buster (security)5.10.209-2~deb10u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster(not affected)
linuxsourcebullseye5.10.179-2DSA-5453-1
linuxsourcebookworm6.1.37-1DSA-5448-1
linuxsource(unstable)6.3.11-1
linux-5.10sourcebuster5.10.179-3~deb10u1DLA-3512-1

Notes

[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)

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