CVE & CISA-KEV Catalog

CVE-2014-9731

LOW
2.1
CVSS v2
NVD

Description

The UDF filesystem implementation in the Linux kernel before 3.18.2 does not ensure that space is available for storing a symlink target's name along with a trailing \0 character, which allows local users to obtain sensitive information via a crafted filesystem image, related to fs/udf/symlink.c and fs/udf/unicode.c.

CWE-17

How to fix

Remediation Available
linuxDebian
Fixed in:3.16.7-ckt4-1CVE-2014-9731
Fixed in:3.16.7-ckt4-1CVE-2014-9731
Fixed in:3.16.7-ckt4-1CVE-2014-9731
Fixed in:3.16.7-ckt4-1CVE-2014-9731
linuxUbuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.13.0-48-genericUbuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.13.0-48-generic-lpaeUbuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.13.0-48-lowlatencyUbuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.13.0-48-powerpc-e500Ubuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.13.0-48-powerpc-e500mcUbuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.13.0-48-powerpc-smpUbuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.13.0-48-powerpc64-embUbuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.13.0-48-powerpc64-smpUbuntu
Fixed in:3.13.0-48.80USN-2544-1
linux-image-3.16.0-31-genericUbuntu
Fixed in:3.16.0-31.41~14.04.1USN-2517-1
linux-image-3.16.0-31-generic-lpaeUbuntu
Fixed in:3.16.0-31.41~14.04.1USN-2517-1
linux-image-3.16.0-31-lowlatencyUbuntu
Fixed in:3.16.0-31.41~14.04.1USN-2517-1
linux-image-3.16.0-31-powerpc-e500mcUbuntu
Fixed in:3.16.0-31.41~14.04.1USN-2517-1
linux-image-3.16.0-31-powerpc-smpUbuntu
Fixed in:3.16.0-31.41~14.04.1USN-2517-1
linux-image-3.16.0-31-powerpc64-embUbuntu
Fixed in:3.16.0-31.41~14.04.1USN-2517-1
linux-image-3.16.0-31-powerpc64-smpUbuntu
Fixed in:3.16.0-31.41~14.04.1USN-2517-1
linux-lts-utopicUbuntu
Fixed in:3.16.0-31.41~14.04.1USN-2517-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

0.42%probability of exploitation in 30 days
34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-17 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2015-0240High10.088%-Fix
CVE-2015-3183Medium5.073%-Fix
CVE-2014-9222High10.064%--
CVE-2015-4620High7.838%-Fix
CVE-2014-9707High7.528%--
CVE-2015-2526Medium5.024%--
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.