CVE-2016-7097

NameCVE-2016-7097
DescriptionThe filesystem implementation in the Linux kernel through 4.8.2 preserves the setgid bit during a setxattr call, which allows local users to gain group privileges by leveraging the existence of a setgid program with restrictions on execute permissions.
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-772-1

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
linuxsourcewheezy3.2.84-1DLA-772-1
linuxsourcejessie3.16.39-1
linuxsource(unstable)4.7.8-1

Notes

http://www.spinics.net/lists/linux-fsdevel/msg98328.html
http://marc.info/?l=linux-fsdevel&m=147162313630259&w=2
https://bugzilla.redhat.com/show_bug.cgi?id=1368938
Fixed by: https://git.kernel.org/linus/073931017b49d9458aa351605b43a7e34598caef

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