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    CVE-2014-1438

    The restore_fpu_checking function in arch/x86/include/asm/fpu-internal.h in the Linux kernel before 3.12.8 on the AMD K7 and K8 platforms does not clear pending exceptions before proceeding to an EMMS instruction, which allows local users to cause a denial of service (task kill) or possibly gain privileges via a crafted application.

    Published:Dec 30, 2013
    Last Modified:Apr 11, 2025
    EPS:Jan 18, 2014
    EPSS Score:0.00045
    CVSS Score:4.7

    Affected Products

    Vendor
    Linux
    Product
    Linux Kernel
    Vendor
    Redhat
    Product
    Enterprise Mrg

    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=26bef1318adc1b3a530ecc807ef99346db2aa8b0
    http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126858.html
    http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126874.html
    http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8
    http://www.mandriva.com/security/advisories?name=MDVSA-2014:038
    http://www.openwall.com/lists/oss-security/2014/01/14/1
    http://www.securityfocus.com/bid/64781
    http://www.securitytracker.com/id/1029592
    http://www.ubuntu.com/usn/USN-2113-1
    http://www.ubuntu.com/usn/USN-2117-1
    http://www.ubuntu.com/usn/USN-2133-1
    http://www.ubuntu.com/usn/USN-2134-1
    http://www.ubuntu.com/usn/USN-2135-1
    http://www.ubuntu.com/usn/USN-2136-1
    http://www.ubuntu.com/usn/USN-2138-1
    http://www.ubuntu.com/usn/USN-2139-1
    http://www.ubuntu.com/usn/USN-2141-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1052914
    https://github.com/torvalds/linux/commit/26bef1318adc1b3a530ecc807ef99346db2aa8b0
    https://lkml.org/lkml/2014/1/9/637
    http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=26bef1318adc1b3a530ecc807ef99346db2aa8b0
    http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126858.html
    http://lists.fedoraproject.org/pipermail/package-announce/2014-January/126874.html
    http://www.halfdog.net/Security/2013/Vm86SyscallTaskSwitchKernelPanic/
    http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8
    http://www.mandriva.com/security/advisories?name=MDVSA-2014:038
    http://www.openwall.com/lists/oss-security/2014/01/14/1
    http://www.securityfocus.com/bid/64781
    http://www.securitytracker.com/id/1029592
    http://www.ubuntu.com/usn/USN-2113-1
    http://www.ubuntu.com/usn/USN-2117-1
    http://www.ubuntu.com/usn/USN-2133-1
    http://www.ubuntu.com/usn/USN-2134-1
    http://www.ubuntu.com/usn/USN-2135-1
    http://www.ubuntu.com/usn/USN-2136-1
    http://www.ubuntu.com/usn/USN-2138-1
    http://www.ubuntu.com/usn/USN-2139-1
    http://www.ubuntu.com/usn/USN-2141-1
    https://bugzilla.redhat.com/show_bug.cgi?id=1052914
    https://github.com/torvalds/linux/commit/26bef1318adc1b3a530ecc807ef99346db2aa8b0
    https://lkml.org/lkml/2014/1/9/637

    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