CVE-2015-5307 Information
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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.
Reference
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