CVE-2022-3586

NameCVE-2022-3586
DescriptionA flaw was found in the Linux kernel’s networking code. A use-after-free was found in the way the sch_sfb enqueue function used the socket buffer (SKB) cb field after the same SKB had been enqueued (and freed) into a child qdisc. This flaw allows a local, unprivileged user to crash the system, causing a denial of service.
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-3173-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2vulnerable
buster (security)4.19.260-1fixed
bullseye5.10.140-1vulnerable
bullseye (security)5.10.149-2fixed
bookworm6.0.10-1fixed
sid6.0.10-2fixed
linux-5.10 (PTS)buster (security)5.10.149-2~deb10u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebuster4.19.260-1
linuxsourcebullseye5.10.148-1
linuxsource(unstable)5.19.11-1
linux-5.10sourcebuster5.10.149-2~deb10u1DLA-3173-1

Notes

https://git.kernel.org/linus/9efd23297cca530bb35e1848665805d3fcdd7889 (6.0-rc5)

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