CVE-2011-0542
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.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.32% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 24.8% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-09-02 23:00Z15 YR AGO
- Last updated
- 2024-08-06 21:58Z2 YR AGO
- Reserved
- 2011-01-20
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 6f156233f61eac207eb9b33d6f9c0a58934d94fca8a21192eed0faefa733fdd0
05 Affected products
06 References
- fuse.git.sourceforge.nethttp://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse%3Ba=commit%3Bh=1e7607ff89c65b005f69e27aeb1649d624099873
- www.openwall.com[oss-security] 20110201 CVE request: fusehttp://www.openwall.com/lists/oss-security/2011/02/02/2
- www.openwall.com[oss-security] 20110203 Re: CVE request: fusehttp://www.openwall.com/lists/oss-security/2011/02/03/5
- www.openwall.com[oss-security] 20110208 Re: CVE request: fusehttp://www.openwall.com/lists/oss-security/2011/02/08/4
07 Fixed in
Debian 12
- fuse Fixed in 2.8.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- fuse Fixed in 2.8.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.