CVE & CISA-KEV Catalog

CVE-2015-7872

LOW
2.1
CVSS v2
NVD

Description

The key_gc_unused_keys function in security/keys/gc.c in the Linux kernel through 4.2.6 allows local users to cause a denial of service (OOPS) via crafted keyctl commands.

CWE-20Improper Input Validation

How to fix

Remediation Available
linuxDebian
Fixed in:4.2.5-1CVE-2015-7872
Fixed in:4.2.5-1CVE-2015-7872
Fixed in:4.2.5-1CVE-2015-7872
Fixed in:4.2.5-1CVE-2015-7872
linuxUbuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.13.0-71-genericUbuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.13.0-71-generic-lpaeUbuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.13.0-71-lowlatencyUbuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.13.0-71-powerpc-e500Ubuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.13.0-71-powerpc-e500mcUbuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.13.0-71-powerpc-smpUbuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.13.0-71-powerpc64-embUbuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.13.0-71-powerpc64-smpUbuntu
Fixed in:3.13.0-71.114USN-2823-1
linux-image-3.16.0-55-genericUbuntu
Fixed in:3.16.0-55.74~14.04.1USN-2824-1
linux-image-3.16.0-55-generic-lpaeUbuntu
Fixed in:3.16.0-55.74~14.04.1USN-2824-1
linux-image-3.16.0-55-lowlatencyUbuntu
Fixed in:3.16.0-55.74~14.04.1USN-2824-1
linux-image-3.16.0-55-powerpc-e500mcUbuntu
Fixed in:3.16.0-55.74~14.04.1USN-2824-1
linux-image-3.16.0-55-powerpc-smpUbuntu
Fixed in:3.16.0-55.74~14.04.1USN-2824-1
linux-image-3.16.0-55-powerpc64-embUbuntu
Fixed in:3.16.0-55.74~14.04.1USN-2824-1
linux-image-3.16.0-55-powerpc64-smpUbuntu
Fixed in:3.16.0-55.74~14.04.1USN-2824-1
linux-image-3.19.0-39-genericUbuntu
Fixed in:3.19.0-39.44~14.04.1USN-2829-2
linux-image-3.19.0-39-generic-lpaeUbuntu
Fixed in:3.19.0-39.44~14.04.1USN-2829-2
linux-image-3.19.0-39-lowlatencyUbuntu
Fixed in:3.19.0-39.44~14.04.1USN-2829-2
linux-image-3.19.0-39-powerpc-e500mcUbuntu
Fixed in:3.19.0-39.44~14.04.1USN-2829-2
linux-image-3.19.0-39-powerpc-smpUbuntu
Fixed in:3.19.0-39.44~14.04.1USN-2829-2
linux-image-3.19.0-39-powerpc64-embUbuntu
Fixed in:3.19.0-39.44~14.04.1USN-2829-2
linux-image-3.19.0-39-powerpc64-smpUbuntu
Fixed in:3.19.0-39.44~14.04.1USN-2829-2
linux-image-4.2.0-21-genericUbuntu
Fixed in:4.2.0-21.25~14.04.1USN-2843-2
linux-image-4.2.0-21-generic-lpaeUbuntu
Fixed in:4.2.0-21.25~14.04.1USN-2843-2
linux-image-4.2.0-21-lowlatencyUbuntu
Fixed in:4.2.0-21.25~14.04.1USN-2843-2
linux-image-4.2.0-21-powerpc-e500mcUbuntu
Fixed in:4.2.0-21.25~14.04.1USN-2843-2
linux-image-4.2.0-21-powerpc-smpUbuntu
Fixed in:4.2.0-21.25~14.04.1USN-2843-2
linux-image-4.2.0-21-powerpc64-embUbuntu
Fixed in:4.2.0-21.25~14.04.1USN-2843-2
linux-image-4.2.0-21-powerpc64-smpUbuntu
Fixed in:4.2.0-21.25~14.04.1USN-2843-2
linux-lts-utopicUbuntu
Fixed in:3.16.0-55.74~14.04.1USN-2824-1
linux-lts-vividUbuntu
Fixed in:3.19.0-39.44~14.04.1USN-2829-2
linux-lts-wilyUbuntu
Fixed in:4.2.0-21.25~14.04.1USN-2843-2

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

0.51%probability of exploitation in 30 days
40thpercentile

Low risk: more likely to be exploited than 40% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-3400Critical10.0100%KEV + Ransom-
CVE-2021-45105Medium5.9100%-Fix
CVE-2021-44228Critical10.0100%KEV + RansomFix
CVE-2021-21985Critical9.8100%KEV + RansomFix
CVE-2018-7600Critical9.8100%KEV + RansomFix
CVE-2020-3452High7.5100%KEVFix
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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.