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…

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.

Scores

EPSS (exploitation in 30 days)

0.58% · top 52% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.

Weakness

• n/a
• CWE-264 (opens in a new tab)All about CWE-264 and its CVEs

Affected products

• n/a

  • affected n/a

References (19)

• USN-2515-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://bugzilla.redhat.com/show_bug.cgi?id=1172797 (opens in a new tab)x_refsource_CONFIRMx_transferred
• USN-2491-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• SUSE-SU-2015:0736 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2490-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2492-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=41bdc78544b8a93a9c6814b8bbbfef966272abbe (opens in a new tab)x_refsource_CONFIRMx_transferred
• 62801 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 71684 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• USN-2518-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• MDVSA-2015:058 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
• openSUSE-SU-2015:0566 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• USN-2493-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• USN-2517-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• DSA-3128 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• USN-2516-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• https://github.com/torvalds/linux/commit/41bdc78544b8a93a9c6814b8bbbfef966272abbe (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2015:1272 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• [oss-security] 20141215 Linux kernel: multiple x86_64 vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2014-8133](https://trackcve.app/badge/CVE-2014-8133.svg)](https://trackcve.app/cve/CVE-2014-8133)

Record last updated 6 Aug 2024, 13:10 UTC.