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, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2417-1, DLA-2420-1, DSA-4774-1, ELA-307-1
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1vulnerable
stretch4.9.228-1vulnerable
stretch (security)4.9.290-1fixed
buster4.19.208-1fixed
buster (security)4.19.194-3fixed
bullseye5.10.84-1fixed
bullseye (security)5.10.46-5fixed
sid, bookworm5.15.5-2fixed
linux-4.19 (PTS)stretch (security)4.19.208-1~deb9u1fixed
linux-4.9 (PTS)jessie, jessie (lts)4.9.290-1~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie(unfixed)end-of-life
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
linux-4.9sourcejessie4.9.240-2~deb8u1ELA-307-1

Notes

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

Search for package or bug name: Reporting problems