CVE-2009-1961

NameCVE-2009-1961
DescriptionThe inode double locking code in fs/ocfs2/file.c in the Linux kernel 2.6.30 before 2.6.30-rc3, 2.6.27 before 2.6.27.24, 2.6.29 before 2.6.29.4, and possibly other versions down to 2.6.19 allows local users to cause a denial of service (prevention of file creation and removal) via a series of splice system calls that trigger a deadlock between the generic_file_splice_write, splice_from_pipe, and ocfs2_file_splice_write functions.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-1844-1
NVD severitylow (attack range: local)
Debian/oldstablenot 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 (security), squeeze2.6.32-48squeeze6fixed
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)2.6.30-1low
linux-2.6sourceetch(not affected)
linux-2.6sourcelenny2.6.26-16low
linux-2.6.24source(unstable)(unfixed)low
linux-2.6.24sourceetch2.6.24-6~etchnhalf.8etch2lowDSA-1844-1

Notes

[etch] - linux-2.6 <not-affected> (Affected code was introduced in 2.6.19)
fixed in lenny 5.0.2 release

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