CVE-2014-9090

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    CVE-2014-9090

    Published: 30 Nov 2014Last Modified: 16 Apr 2026

    Summary:

    Details: The do_double_fault function in arch/x86/kernel/traps.c in the Linux kernel through 3.17.4 does not properly handle faults associated with the Stack Segment (SS) segment register, which allows local users to cause a denial of service (panic) via a modify_ldt system call, as demonstrated by sigreturn_32 in the linux-clock-tests test suite.

    References: http://secunia.com/advisories/62336, http://www.debian.org/security/2014/dsa-3093, https://github.com/torvalds/linux/commit/6f442be2fb22be02cafa606f1769fa1e6f894441, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6f442be2fb22be02cafa606f1769fa1e6f894441, http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html, http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html, http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html, http://www.openwall.com/lists/oss-security/2014/11/26/5

    Affected packages

    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