mount in util-linux 2.19 and earlier does not remove the /etc/mtab.tmp file after a…
Priority LOW 17CWE-264Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Partial · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-264.
Summary
mount in util-linux 2.19 and earlier does not remove the /etc/mtab.tmp file after a failed attempt to add a mount entry, which allows local users to trigger corruption of the /etc/mtab file via multiple invocations.
Why it matters now
EPSS 0.00487 42nd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
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 · 17
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:linux:util-linux:*:*:*:*:*:*:*:* | up to 2.19 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.5:*:*:*:*:*:*:* | 2.5 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.7:*:*:*:*:*:*:* | 2.7 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.8:*:*:*:*:*:*:* | 2.8 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.9:*:*:*:*:*:*:* | 2.9 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.10:*:*:*:*:*:*:* | 2.10 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.11:*:*:*:*:*:*:* | 2.11 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.12:*:*:*:*:*:*:* | 2.12 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.12:pre:*:*:*:*:*:* | 2.12 pre | Vulnerable | Linux |
- cpe:2.3:a:linux:util-linux:*:*:*:*:*:*:*:* Versions up to 2.19 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.5:*:*:*:*:*:*:* Versions 2.5 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.7:*:*:*:*:*:*:* Versions 2.7 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.8:*:*:*:*:*:*:* Versions 2.8 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.9:*:*:*:*:*:*:* Versions 2.9 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.10:*:*:*:*:*:*:* Versions 2.10 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.11:*:*:*:*:*:*:* Versions 2.11 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.12:*:*:*:*:*:*:* Versions 2.12 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.12:pre:*:*:*:*:*:* Versions 2.12 pre Vulnerable ·Linux
Show 7 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:linux:util-linux:2.13:*:*:*:*:*:*:* | 2.13 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.13:pre:*:*:*:*:*:* | 2.13 pre | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.14:*:*:*:*:*:*:* | 2.14 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.15:*:*:*:*:*:*:* | 2.15 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.16:*:*:*:*:*:*:* | 2.16 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.17:*:*:*:*:*:*:* | 2.17 | Vulnerable | Linux |
| cpe:2.3:a:linux:util-linux:2.18:*:*:*:*:*:*:* | 2.18 | Vulnerable | Linux |
- cpe:2.3:a:linux:util-linux:2.13:*:*:*:*:*:*:* Versions 2.13 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.13:pre:*:*:*:*:*:* Versions 2.13 pre Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.14:*:*:*:*:*:*:* Versions 2.14 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.15:*:*:*:*:*:*:* Versions 2.15 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.16:*:*:*:*:*:*:* Versions 2.16 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.17:*:*:*:*:*:*:* Versions 2.17 Vulnerable ·Linux
- cpe:2.3:a:linux:util-linux:2.18:*:*:*:*:*:*:* Versions 2.18 Vulnerable ·Linux
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Not affected: 3 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2011-1676
- 2026-10-03 Alias added: GHSA-xgxp-wxpw-r9x6
References
Exploit 2
Other 15
- [oss-security] 20110314 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110303 Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110322 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110322 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110305 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110307 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110401 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110304 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110314 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110331 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110304 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110314 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110303 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110305 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
- [oss-security] 20110315 Re: Suid mount helpers fail to anticipate RLIMIT_FSIZE
More Linux Util-linux vulnerabilities
- TI-2008-01850 Argument injection vulnerability in login (login-utils/login.c) in util-linux-ng 2.14 and… CVSS 2.0HIGH 7.5
- TI-2011-01462 mount in util-linux 2.19 and earlier does not remove the /etc/mtab~ lock file after a… CVSS 2.0MEDIUM 4.6
- TI-2011-01460 mount in util-linux 2.19 and earlier attempts to append to the /etc/mtab.tmp file without… CVSS 2.0LOW 3.3
Sources
- CVE-2011-1676 · CVE Program
- CVE-2011-1676 · NVD
- FIRST EPSS
- GHSA-xgxp-wxpw-r9x6 · GitHub Advisory Database · CC BY 4.0
- CVE-2011-1676 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences