CVE-2015-5307

    Dashboard / Vulnerabilities / CVE-2015-5307

    CVE-2015-5307

    Published: 16 Nov 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a denial of service (host OS panic or hang) by triggering many #AC (aka Alignment Check) exceptions, related to svm.c and vmx.c.

    References: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=54a20552e1eae07aa240fa370a0293e006b5faed, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html, http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html, http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html, http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html, http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html, http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html, http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html, http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html, http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html, http://rhn.redhat.com/errata/RHSA-2015-2636.html, http://rhn.redhat.com/errata/RHSA-2015-2645.html, http://rhn.redhat.com/errata/RHSA-2016-0046.html, http://support.citrix.com/article/CTX202583, http://www.debian.org/security/2015/dsa-3396, http://www.debian.org/security/2015/dsa-3414, http://www.debian.org/security/2016/dsa-3454, http://www.openwall.com/lists/oss-security/2015/11/10/6, http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html, http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html, http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html, http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html, http://www.securityfocus.com/bid/77528, http://www.securitytracker.com/id/1034105, http://www.ubuntu.com/usn/USN-2800-1, http://www.ubuntu.com/usn/USN-2801-1, http://www.ubuntu.com/usn/USN-2802-1, http://www.ubuntu.com/usn/USN-2803-1, http://www.ubuntu.com/usn/USN-2804-1, http://www.ubuntu.com/usn/USN-2805-1, http://www.ubuntu.com/usn/USN-2806-1, http://www.ubuntu.com/usn/USN-2807-1, http://xenbits.xen.org/xsa/advisory-156.html, https://bugzilla.redhat.com/show_bug.cgi?id=1277172, https://github.com/torvalds/linux/commit/54a20552e1eae07aa240fa370a0293e006b5faed, https://kb.juniper.net/JSA10783, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172187.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172300.html, http://lists.fedoraproject.org/pipermail/package-announce/2015-November/172435.html, http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00035.html, http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00005.html, http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00026.html, http://lists.opensuse.org/opensuse-security-announce/2015-12/msg00031.html, http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00013.html, http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html, http://lists.opensuse.org/opensuse-updates/2015-12/msg00039.html, http://lists.opensuse.org/opensuse-updates/2015-12/msg00053.html, http://www.openwall.com/lists/oss-security/2015/11/10/6, http://www.oracle.com/technetwork/topics/security/cpujan2016-2367955.html, https://bugzilla.redhat.com/show_bug.cgi?id=1277172

    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