9.8

CVE-2015-5224: kernel util-linux Insecure Temporary File

CVSS: 9.8v3.1CriticalModified
AliasesMGASA-2015-0352DEBIAN-CVE-2015-5224
Published 23-08-2017Last modified 04-12-2025
Open JSON

Vulnerability summary

CVE-2015-5224 is a critical (CVSS 9.8) Insecure Temporary File vulnerability in kernel util-linux. EPSS estimates a 4.53% chance of exploitation in the next 30 days, higher than 91.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
4.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-08-2017
    PublishedVulnerability first disclosed.
  2. 04-12-2025
    Last modifiedVulnerability information updated.

Description

The mkostemp function in login-utils in util-linux when used incorrectly allows remote attackers to cause file name collision and possibly other attacks.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.53%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.53% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.53%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • util-linux< 2.27-1
Kernel1 product
Mageia1 product
  • util-linux< 2.25.2-3.1.mga5

3 vendors · 3 products

References

8 links