fusermount in FUSE before 2.4.1, if installed setuid root, allows local users to corrupt…
Priority LOW 11Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
fusermount in FUSE before 2.4.1, if installed setuid root, allows local users to corrupt /etc/mtab and possibly modify mount options by performing a mount over a directory whose name contains certain special characters.
Why it matters now
EPSS 0.00362 30th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:miklos_szeredi:fuse:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | Miklos Szeredi |
| cpe:2.3:a:miklos_szeredi:fuse:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Miklos Szeredi |
| cpe:2.3:a:miklos_szeredi:fuse:2.3.0:*:*:*:*:*:*:* | 2.3.0 | Vulnerable | Miklos Szeredi |
| cpe:2.3:a:miklos_szeredi:fuse:2.3_rc1:*:*:*:*:*:*:* | 2.3_rc1 | Vulnerable | Miklos Szeredi |
| cpe:2.3:a:miklos_szeredi:fuse:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | Miklos Szeredi |
- cpe:2.3:a:miklos_szeredi:fuse:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Miklos Szeredi
- cpe:2.3:a:miklos_szeredi:fuse:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Miklos Szeredi
- cpe:2.3:a:miklos_szeredi:fuse:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Miklos Szeredi
- cpe:2.3:a:miklos_szeredi:fuse:2.3_rc1:*:*:*:*:*:*:* Versions 2.3_rc1 Vulnerable ·Miklos Szeredi
- cpe:2.3:a:miklos_szeredi:fuse:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Miklos Szeredi
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2005-3531
- 2026-10-03 Alias added: GHSA-w8gf-vcmf-6ww6
References
Sources
- CVE-2005-3531 · CVE Program
- CVE-2005-3531 · NVD
- FIRST EPSS
- GHSA-w8gf-vcmf-6ww6 · GitHub Advisory Database · CC BY 4.0
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