Descriptionfusermount in fuse 2.8.5 and earlier does not perform a chdir to / before performing a mount or umount, which allows local users to unmount arbitrary directories via unspecified vectors.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitylow (attack range: local)
Debian Bugs624551

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
fuse (PTS)wheezy (security), wheezy2.9.0-2+deb7u2fixed
jessie (security), jessie2.9.3-15+deb8u2fixed
stretch, sid2.9.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[squeeze] - fuse <no-dsa> (Minor issue)

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