CVE-2009-4021

NameCVE-2009-4021
DescriptionThe fuse_direct_io function in fs/fuse/file.c in the fuse subsystem in the Linux kernel before 2.6.32-rc7 might allow attackers to cause a denial of service (invalid pointer dereference and OOPS) via vectors possibly related to a memory-consumption attack.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2003-1, DSA-2005-1
NVD severitymedium (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 above is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linux-2.6source(unstable)2.6.32-1low
linux-2.6sourceetch2.6.18.dfsg.1-26etch2mediumDSA-2003-1
linux-2.6sourcelenny2.6.26-21medium
linux-2.6.24source(unstable)(unfixed)low
linux-2.6.24sourceetch2.6.24-6~etchnhalf.9etch3mediumDSA-2005-1

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=538734

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