VIR Vulnerability Intelligence Relay

CVE-2011-0543

low
Published 2011-09-02 · Modified 2026-04-29
💬 Discuss on Community ✚ Propose mitigation
CVSS v3
—
CVSS v4 NEW
—
not yet in upstream
VIR risk
3.3

Description

Certain legacy functionality in fusermount in fuse 2.8.5 and earlier, when util-linux does not support the --no-canonicalize option, allows local users to bypass intended access restrictions and unmount arbitrary directories via a symlink attack.

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact
debian Debian Fixed 4 releases
VersionStatusFixed in
trixie Fixed 2.8.5-1
sid Fixed 2.8.5-1
bullseye Fixed 2.8.5-1
bookworm Fixed 2.8.5-1

Application impact
VendorProductVersionsFixed
fusefuse{"endIncluding":"2.8.5"}
fusefuse1.9
fusefuse2.0
fusefuse2.1
fusefuse2.2
fusefuse2.2.1
fusefuse2.3
fusefuse2.3.0
fusefuse2.4.0
fusefuse2.4.1
fusefuse2.4.2
fusefuse2.5.0
fusefuse2.5.1
fusefuse2.5.2
fusefuse2.5.3
fusefuse2.6.0
fusefuse2.6.1
fusefuse2.6.3
fusefuse2.6.5
fusefuse2.7.0
fusefuse2.7.1
fusefuse2.7.2
fusefuse2.7.3
fusefuse2.7.4
fusefuse2.7.5
fusefuse2.7.6
fusefuse2.8.0
fusefuse2.8.1
fusefuse2.8.2
fusefuse2.8.3
fusefuse2.8.4

References

CWEs

CWE-264

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.