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CVE-2010-3879

MediumPublished

FUSE, possibly 2.8.5 and earlier, allows local users to create mtab entries with arbitrary pathnames, and consequently unmount any filesystem, via a symlink...

Published: Jan 22, 2011
Updated: Aug 7, 2024
Assigning CNA: redhat
Evidence observed: Nov 2, 2010

Primary CVSS

5.8/ 10Medium

nvd · CVSS 2.0

AV:N/AC:M/Au:N/C:N/I:P/A:P

EPSS probability estimate

9.8%

Low · next 30 days

Percentile: 95.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

FUSE, possibly 2.8.5 and earlier, allows local users to create mtab entries with arbitrary pathnames, and consequently unmount any filesystem, via a symlink attack on the parent directory of the mountpoint of a FUSE filesystem, a different vulnerability than CVE-2010-0789.

Sources

FUSE fusermount Tool - Race ConditionExploit
halfdog · linux · Nov 2, 2010

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