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CVE-2015-4103

Status Candidate

Overview

Xen 3.3.x through 4.5.x does not properly restrict write access to the host MSI message data field, which allows local x86 HVM guest administrators to cause a denial of service (host interrupt handling confusion) via vectors related to qemu and accessing spanning multiple fields.

Related Files

Gentoo Linux Security Advisory 201604-03
Posted Apr 6, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201604-3 - Multiple vulnerabilities have been found in Xen, the worst of which cause a Denial of Service. Versions less than 4.6.0-r9 are affected.

tags | advisory, denial of service, vulnerability
systems | linux, gentoo
advisories | CVE-2012-3494, CVE-2012-3495, CVE-2012-3496, CVE-2012-3497, CVE-2012-3498, CVE-2012-3515, CVE-2012-4411, CVE-2012-4535, CVE-2012-4536, CVE-2012-4537, CVE-2012-4538, CVE-2012-4539, CVE-2012-6030, CVE-2012-6031, CVE-2012-6032, CVE-2012-6033, CVE-2012-6034, CVE-2012-6035, CVE-2012-6036, CVE-2015-2151, CVE-2015-3209, CVE-2015-3259, CVE-2015-3340, CVE-2015-3456, CVE-2015-4103, CVE-2015-4104, CVE-2015-4105, CVE-2015-4106
SHA-256 | a7e9bd9d6342dd146c7a64ee40be706e83549d090ba7149e7ac964a6280a8109
Debian Security Advisory 3286-1
Posted Jun 15, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3286-1 - Multiple security issues have been found in the Xen virtualisation solution.

tags | advisory
systems | linux, debian
advisories | CVE-2015-3209, CVE-2015-4103, CVE-2015-4104, CVE-2015-4105, CVE-2015-4106, CVE-2015-4163, CVE-2015-4164
SHA-256 | df4617fff922fb14aa9bb8c070aeda54fe27f17dd3749d173e00aec0f1557304
Ubuntu Security Notice USN-2630-1
Posted Jun 10, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2630-1 - Matt Tait discovered that QEMU incorrectly handled the virtual PCNET driver. A malicious guest could use this issue to cause a denial of service, or possibly execute arbitrary code on the host as the user running the QEMU process. In the default installation, when QEMU is used with libvirt, attackers would be isolated by the libvirt AppArmor profile. Kurt Seifried discovered that QEMU incorrectly handled certain temporary files. A local attacker could use this issue to cause a denial of service. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, local
systems | linux, ubuntu
advisories | CVE-2015-3209, CVE-2015-4037, CVE-2015-4103, CVE-2015-4104, CVE-2015-4105, CVE-2015-4106
SHA-256 | 0cf8d12b43821d761977856e4b4c7a6239ab8e88288255906bfafed04c494023
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