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    CVE-2014-8133

    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.

    Published:Dec 15, 2014
    Last Modified:Apr 12, 2025
    EPS:Dec 17, 2014
    EPSS Score:0.00043
    CVSS Score:2.1

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=41bdc78544b8a93a9c6814b8bbbfef966272abbe
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
    http://rhn.redhat.com/errata/RHSA-2015-1272.html
    http://secunia.com/advisories/62801
    http://www.debian.org/security/2015/dsa-3128
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
    http://www.openwall.com/lists/oss-security/2014/12/15/6
    http://www.securityfocus.com/bid/71684
    http://www.ubuntu.com/usn/USN-2490-1
    http://www.ubuntu.com/usn/USN-2491-1
    http://www.ubuntu.com/usn/USN-2492-1
    http://www.ubuntu.com/usn/USN-2493-1
    http://www.ubuntu.com/usn/USN-2515-1
    http://www.ubuntu.com/usn/USN-2516-1
    http://www.ubuntu.com/usn/USN-2517-1
    http://www.ubuntu.com/usn/USN-2518-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1172797
    https://github.com/torvalds/linux/commit/41bdc78544b8a93a9c6814b8bbbfef966272abbe
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=41bdc78544b8a93a9c6814b8bbbfef966272abbe
    http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
    http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html
    http://rhn.redhat.com/errata/RHSA-2015-1272.html
    http://secunia.com/advisories/62801
    http://www.debian.org/security/2015/dsa-3128
    http://www.mandriva.com/security/advisories?name=MDVSA-2015:058
    http://www.openwall.com/lists/oss-security/2014/12/15/6
    http://www.securityfocus.com/bid/71684
    http://www.ubuntu.com/usn/USN-2490-1
    http://www.ubuntu.com/usn/USN-2491-1
    http://www.ubuntu.com/usn/USN-2492-1
    http://www.ubuntu.com/usn/USN-2493-1
    http://www.ubuntu.com/usn/USN-2515-1
    http://www.ubuntu.com/usn/USN-2516-1
    http://www.ubuntu.com/usn/USN-2517-1
    http://www.ubuntu.com/usn/USN-2518-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1172797
    https://github.com/torvalds/linux/commit/41bdc78544b8a93a9c6814b8bbbfef966272abbe

    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