CVE-2016-6198

NameCVE-2016-6198
DescriptionThe filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service (system crash) via a rename system call, related to fs/namei.c and fs/open.c.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.320-2fixed
buster4.19.235-1fixed
buster (security)4.19.232-1fixed
bullseye5.10.106-1fixed
bullseye (security)5.10.120-1fixed
bookworm, sid5.18.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy(not affected)
linuxsourcejessie(not affected)
linuxsource(unstable)4.5.5-1

Notes

[jessie] - linux <not-affected> (Vulnerable code not present)
[wheezy] - linux <not-affected> (Vulnerable code not present)
https://git.kernel.org/linus/54d5ca871e72f2bb172ec9323497f01cd5091ec7 (v4.6)
https://git.kernel.org/linus/9409e22acdfc9153f88d9b1ed2bd2a5b34d2d3ca (v4.6)

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