CVE-2015-4104 Information

Description

Xen 3.3.x through 4.5.x does not properly restrict access to PCI MSI mask bits which allows local x86 HVM guest users to cause a denial of service (unexpected interrupt and host crash) via unspecified vectors.

Reference

http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160154.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160171.html http://lists.fedoraproject.org/pipermail/package-announce/2015-June/160685.html http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00004.html http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00007.html http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00029.html http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00030.html http://support.citrix.com/article/CTX201145 http://www.debian.org/security/2015/dsa-3284 http://www.debian.org/security/2015/dsa-3286 http://www.securityfocus.com/bid/74950 http://www.securitytracker.com/id/1032464 http://www.ubuntu.com/usn/USN-2630-1 http://xenbits.xen.org/xsa/advisory-129.html https://security.gentoo.org/glsa/201604-03 https://support.citrix.com/article/CTX206006