The mkostemp function in login-utils in util-linux when used incorrectly allows remote…
Priority MEDIUM 56CWE-377Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The mkostemp function in login-utils in util-linux when used incorrectly allows remote attackers to cause file name collision and possibly other attacks.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.04526 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2015-5224
- 2026-10-03 Alias added: GHSA-g2jw-fqx3-5mwq
References
More kernel Util-linux vulnerabilities
- TI-2014-07400 Blkid in util-linux before 2.26rc-1 allows local users to execute arbitrary code. CVSS 3.1HIGH 7.8
- TI-2020-14100 An issue was discovered in hwclock.13-v2.27 allows attackers to gain escalated privlidges… CVSS 3.1MEDIUM 6.7
- TI-2021-02893 A logic error was found in the libmount library of util-linux in the function that allows… CVSS 3.1MEDIUM 5.5
- TI-2026-21863 util-linux: TOCTOU Race Condition in util-linux mount(8) - Loop Device Setup CVSS 3.1MEDIUM 4.7
- TI-2024-18667 wall in util-linux through 2.40, often installed with setgid tty permissions, allows… CVSS 3.1LOW 3.3
- TI-2018-05584 In util-linux before 2.32-rc1, bash-completion/umount allows local users to gain… CVSS 3.0HIGH 7.8
Sources
- CVE-2015-5224 · CVE Program
- CVE-2015-5224 · NVD
- FIRST EPSS
- GHSA-g2jw-fqx3-5mwq · GitHub Advisory Database · CC BY 4.0
- CVE-2015-5224 · 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