CVE-2013-7271

NameCVE-2013-7271
DescriptionThe x25_recvmsg function in net/x25/af_x25.c in the Linux kernel before 3.12.4 updates a certain length value without ensuring that an associated data structure has been initialized, which allows local users to obtain sensitive information from kernel memory via a (1) recvfrom, (2) recvmmsg, or (3) recvmsg system call.
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)
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1fixed
wheezy (security)3.2.96-3fixed
jessie3.16.51-2fixed
jessie (security)3.16.51-3+deb8u1fixed
stretch (security), stretch4.9.82-1+deb9u3fixed
buster4.15.11-1fixed
sid4.15.17-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.12.6-1medium
linuxsourcewheezy3.2.54-1medium
linux-2.6source(unstable)(unfixed)medium

Notes

[squeeze] - linux-2.6 <no-dsa> (Too intrusive to backport)
upstream fix: https://git.kernel.org/linus/f3d3342602f8bcbf37d7c46641cb9bca7618eb1c
included in https://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.4

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