CVE-2013-7421

NameCVE-2013-7421
DescriptionThe Crypto API in the Linux kernel before 3.18.5 allows local users to load arbitrary kernel modules via a bind system call for an AF_ALG socket with a module name in the salg_name field, a different vulnerability than CVE-2014-9644.
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)
ReferencesDSA-3170-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.59-1fixed
stretch4.9.110-1fixed
stretch (security)4.9.110-3+deb9u6fixed
buster, sid4.18.10-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.16.7-ckt4-2low
linuxsourcewheezy3.2.65-1+deb7u2lowDSA-3170-1
linux-2.6source(unstable)(unfixed)low
linux-2.6sourcesqueeze(not affected)

Notes

[squeeze] - linux-2.6 <not-affected> (Introduced in v2.6.38-rc1)
https://lkml.org/lkml/2013/3/4/70
https://plus.google.com/+MathiasKrause/posts/PqFCo4bfrWu
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5d26a105b5a7 (v3.19-rc1)

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