1. Ubuntu Security Notices
  2. USN-1077-1

USN-1077-1: FUSE vulnerabilities

Publication date

28 February 2011

Overview

Releases

Packages

Details

It was discovered that FUSE would incorrectly follow symlinks when checking
mountpoints under certain conditions. A local attacker, with access to use
FUSE, could unmount arbitrary locations, leading to a denial of service.

It was discovered that FUSE would incorrectly follow symlinks when checking
mountpoints under certain conditions. A local attacker, with access to use
FUSE, could unmount arbitrary locations, leading to a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
9.10 karmic fuse-utils –  2.7.4-1.1ubuntu4.5
8.04 hardy fuse-utils –  2.7.2-1ubuntu2.3
10.10 maverick fuse-utils –  2.8.4-1ubuntu1.3
10.04 lucid fuse-utils –  2.8.1-1.1ubuntu3.1

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References

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