CVE-2013-2851

NameCVE-2013-2851
DescriptionFormat string vulnerability in the register_disk function in block/genhd.c in the Linux kernel through 3.9.4 allows local users to gain privileges by leveraging root access and writing format string specifiers to /sys/module/md_mod/parameters/new_array in order to create a crafted /dev/md device name.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2745-1, DSA-2766-1
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)3.2.81-2fixed
jessie (security), jessie3.16.36-1+deb8u1fixed
stretch4.6.4-1fixed
sid4.7.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.9.8-1low
linuxsourcewheezy3.2.46-1+deb7u1mediumDSA-2745-1
linux-2.6source(unstable)(unfixed)low
linux-2.6sourcesqueeze2.6.32-48squeeze4mediumDSA-2766-1

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