CVE-2009-3621

NameCVE-2009-3621
Descriptionnet/unix/af_unix.c in the Linux kernel 2.6.31.4 and earlier allows local users to cause a denial of service (system hang) by creating an abstract-namespace AF_UNIX listening socket, performing a shutdown operation on this socket, and then performing a series of connect operations to this socket.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-1927-1, DSA-1928-1, DSA-1929-1
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)2.6.31-2low
linux-2.6sourceetch2.6.18.dfsg.1-26etch1mediumDSA-1929-1
linux-2.6sourcelenny2.6.26-19lenny2mediumDSA-1927-1
linux-2.6.24source(unstable)(unfixed)low
linux-2.6.24sourceetch2.6.24-6~etchnhalf.9etch1mediumDSA-1928-1

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