UBUNTU-CVE-2014-8133

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    UBUNTU-CVE-2014-8133

    Published: 17 Dec 2014Last Modified: 26 Aug 2026
    Upstream:
    CVE-2014-8133
    Aliases:
    USN-2490-1
    USN-2491-1
    USN-2492-1

    Summary:

    Details: 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.

    References: https://ubuntu.com/security/CVE-2014-8133, https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/arch/x86?id=41bdc78544b8a93a9c6814b8bbbfef966272abbe, https://marc.info/?l=oss-security&m=141866657032651&w=2, https://ubuntu.com/security/notices/USN-2490-1, https://ubuntu.com/security/notices/USN-2491-1, https://ubuntu.com/security/notices/USN-2492-1, https://ubuntu.com/security/notices/USN-2493-1, https://ubuntu.com/security/notices/USN-2515-1, https://ubuntu.com/security/notices/USN-2516-1, https://ubuntu.com/security/notices/USN-2517-1, https://ubuntu.com/security/notices/USN-2518-1, https://www.cve.org/CVERecord?id=CVE-2014-8133

    Affected packages

    Package

    Name: linux

    Purl: pkg:deb/ubuntu/linux?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -3.13.0-46.75

    Affected versions

    3.11.0-12.19

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High