CVE-2014-8133

kernel: x86: espfix(64) bypass via set_thread_area and CLONE_SETTLS

Published Dec 17, 2014 CVSS 2.0 · 2.1 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
Debian DLA Debian DLA DLA-155-1 linux-2.6 security update
Debian DSA Debian DSA DSA-3128-1 linux security update
EUVD EUVD EUVD-2014-7976 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.
Ubuntu USN Ubuntu USN USN-2490-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2491-1 Linux kernel (EC2) vulnerabilities
Ubuntu USN Ubuntu USN USN-2492-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2493-1 Linux kernel (OMAP4) vulnerabilities
Ubuntu USN Ubuntu USN USN-2515-1 Linux kernel (Trusty HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2516-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-2517-1 Linux kernel (Utopic HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-2518-1 Linux kernel vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 1:10 PM
Reserved
Oct 10, 2014, 12:00 AM
Status
Modified
Published
Dec 17, 2014, 11:59 AM
Modified
Jun 17, 2026, 12:16 AM
Severity
Low
Public date
Dec 15, 2014, 12:00 AM