CVE-2020-25211

NameCVE-2020-25211
DescriptionIn the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of incorrect protocol numbers in ctnetlink_parse_tuple_filter in net/netfilter/nf_conntrack_netlink.c, aka CID-1cc5ef91d2ff.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2417-1, DLA-2420-1, DSA-4774-1

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
trixie6.6.15-2fixed
sid6.7.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.240-1DLA-2420-1
linuxsourcebuster4.19.152-1DSA-4774-1
linuxsource(unstable)5.8.14-1
linux-4.19sourcestretch4.19.152-1~deb9u1DLA-2417-1

Notes

https://git.kernel.org/linus/1cc5ef91d2ff94d2bf2de3b3585423e8a1051cb6

Search for package or bug name: Reporting problems