The Intel VT-d Interrupt Remapping engine in Xen 3.3.x through 4.3.x allows local guests to cause a denial of service (kernel panic) via a malformed Message Signaled Interrupt (MSI) from a PCI device that is bus mastering capable that triggers a System Error Reporting (SERR) Non-Maskable Interrupt (NMI).

References

• https://nvd.nist.gov/vuln/detail/CVE-2013-3495
• https://security.gentoo.org/glsa/201504-04
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00005.html
• http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00010.html
• http://osvdb.org/96438
• http://secunia.com/advisories/54341
• http://www.openwall.com/lists/oss-security/2013/08/20/8
• http://www.securityfocus.com/bid/61854
• http://www.securitytracker.com/id/1028931