CVE-2009-1072

NameCVE-2009-1072
Descriptionnfsd in the Linux kernel before 2.6.28.9 does not drop the CAP_MKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the root_squash option.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-1800-1
NVD severitymedium (attack range: local)
Debian/oldoldstablenot vulnerable.
Debian/oldstablenot known to be vulnerable.
Debian/stablenot known to be vulnerable.
Debian/testingnot known to be vulnerable.
Debian/unstablenot known to be vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux-2.6 (PTS)squeeze, squeeze (security)2.6.32-48squeeze6fixed
squeeze (lts)2.6.32-48squeeze11fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linux-2.6source(unstable)2.6.29-1medium
linux-2.6sourceetch(not affected)
linux-2.6sourcelenny2.6.26-15lenny2mediumDSA-1800-1
linux-2.6.24source(unstable)(not affected)
user-mode-linuxsourcelenny2.6.26-1um-2+15lenny2mediumDSA-1800-1

Notes

[etch] - linux-2.6 <not-affected> (Issue was introduced after 2.6.24 release)
- linux-2.6.24 <not-affected> (Issue was introduced after 2.6.24 release)

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