CVE-2012-5375

NameCVE-2012-5375
DescriptionThe CRC32C feature in the Btrfs implementation in the Linux kernel before 3.8-rc1 allows local users to cause a denial of service (prevention of file creation) by leveraging the ability to write to a directory important to the victim, and creating a file with a crafted name that is associated with a specific CRC32C hash value.
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; however, the security impact is unimportant.
Debian/stablepackage linux is vulnerable; however, the security impact is unimportant.
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
sid, jessie3.16.7-ckt9-2fixed
linux-2.6 (PTS)squeeze (security), squeeze2.6.32-48squeeze6vulnerable
squeeze (lts)2.6.32-48squeeze11vulnerable

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

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

Notes

btrfs support in Squeeze/Wheezy is not ready for production use

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