CVE & CISA-KEV Catalog

CVE-2014-8133

LOW
2.1
CVSS v2
NVD

Description

arch/x86/kernel/tls.c in the Thread Local Storage (TLS) implementation in the Linux kernel through 3.18.1 allows local users to bypass the espfix protection mechanism, and consequently makes it easier for local users to bypass the ASLR protection mechanism, via a crafted application that makes a set_thread_area system call and later reads a 16-bit value.

CWE-264Permissions, Privileges, and Access Controls

How to fix

Remediation Available
linuxDebian
Fixed in:3.16.7-ckt4-1CVE-2014-8133
Fixed in:3.16.7-ckt4-1CVE-2014-8133
Fixed in:3.16.7-ckt4-1CVE-2014-8133
Fixed in:3.16.7-ckt4-1CVE-2014-8133
linuxUbuntu
Fixed in:3.13.0-46.75USN-2516-1
linux-image-3.13.0-46-genericUbuntu
Fixed in:3.13.0-46.75USN-2516-1
linux-image-3.13.0-46-generic-lpaeUbuntu
Fixed in:3.13.0-46.75USN-2516-1
linux-image-3.13.0-46-lowlatencyUbuntu
Fixed in:3.13.0-46.75USN-2516-1
linux-image-3.13.0-46-powerpc-e500Ubuntu
Fixed in:3.13.0-46.75USN-2516-1
linux-image-3.13.0-46-powerpc-e500mcUbuntu
Fixed in:3.13.0-46.75USN-2516-1
linux-image-3.13.0-46-powerpc-smpUbuntu
Fixed in:3.13.0-46.75USN-2516-1
linux-image-3.13.0-46-powerpc64-embUbuntu
Fixed in:3.13.0-46.75USN-2516-1
linux-image-3.13.0-46-powerpc64-smpUbuntu
Fixed in:3.13.0-46.75USN-2516-1
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

0.58%probability of exploitation in 30 days
44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Related Vulnerabilities

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2012-1456Medium4.3100%--
CVE-2012-1459Medium4.3100%-Fix
CVE-2012-1446Medium4.3100%--
CVE-2012-1443Medium4.3100%--
CVE-2012-1442Medium4.399%--
CVE-2012-1457Medium4.398%-Fix
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CVE-2014-8133 severity badge

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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.