CVE-2011-0542

low
Published 2011-09-02 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
3.3

Description

fusermount 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.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

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 โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ 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.