CVE-2022-1012

NameCVE-2022-1012
DescriptionA memory leak problem was found in the TCP source port generation algorithm in net/ipv4/tcp.c due to the small table perturb size. This flaw may allow an attacker to information leak and may cause a denial of service problem.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3065-1, DSA-5161-1, DSA-5173-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.260-1fixed
bullseye5.10.140-1fixed
bullseye (security)5.10.149-2fixed
bookworm6.0.10-2fixed
sid6.0.12-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.320-2DLA-3065-1
linuxsourcebuster4.19.249-2DSA-5173-1
linuxsourcebullseye5.10.127-1
linuxsource(unstable)5.17.11-1

Notes

https://git.kernel.org/linus/b2d057560b8107c633b39aabe517ff9d93f285e3 (5.18-rc6)

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