CVE-2013-1819

NameCVE-2013-1819
DescriptionThe _xfs_buf_find function in fs/xfs/xfs_buf.c in the Linux kernel before 3.7.6 does not validate block numbers, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact by leveraging the ability to mount an XFS filesystem containing a metadata inode with an invalid extent map.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
NVD severitymedium (attack range: local)
Debian/oldstablepackage linux-2.6 is vulnerable.
Debian/stablepackage linux is vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.65-1vulnerable
wheezy (security)3.2.65-1+deb7u2vulnerable
jessie3.16.7-ckt4-3fixed
sid3.16.7-ckt7-1fixed
linux-2.6 (PTS)squeeze (security), squeeze2.6.32-48squeeze6vulnerable
squeeze (lts)2.6.32-48squeeze11vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.8-1medium
linux-2.6source(unstable)(unfixed)low

Notes

[squeeze] - linux-2.6 <no-dsa> (Too risky to backport, minor impact)
[wheezy] - linux <no-dsa> (Too risky to backport, minor impact)

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