CVE-2015-5706

NameCVE-2015-5706
DescriptionUse-after-free vulnerability in the path_openat function in fs/namei.c in the Linux kernel 3.x and 4.x before 4.0.4 allows local users to cause a denial of service or possibly have unspecified other impact via O_TMPFILE filesystem operations that leverage a duplicate cleanup operation.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye (security), bullseye5.10.218-1fixed
bookworm6.1.94-1fixed
bookworm (security)6.1.90-1fixed
sid, trixie6.9.8-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy(not affected)
linuxsourcejessie3.16.7-ckt11-1+deb8u3
linuxsource(unstable)4.0.4-1
linux-2.6source(unstable)(not affected)

Notes

[wheezy] - linux <not-affected> (Introduced in v3.11-rc1)
- linux-2.6 <not-affected> (Introduced in v3.11-rc1)
https://www.openwall.com/lists/oss-security/2015/08/01/5
Introduced by https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=60545d0d4610b02e55f65d141c95b18ccf855b6e (v3.11-rc1)
Fixed by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f15133df088ecadd141ea1907f2c96df67c729f0 (v4.1-rc3)

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