PRIOn knowledge basePRION:CVE-2013-1920Design/Logic Flaw
Xen 4.2.x, 4.1.x, and earlier, when the hypervisor is running “under memory pressure” and the Xen Security Module (XSM) is enabled, uses the wrong ordering of operations when extending the per-domain event channel tracking table, which causes a use-after-free and allows local guest kernels to inject arbitrary events and gain privileges via unspecified vectors.
References
lists.opensuse.org/opensuse-security-announce/2014-03/msg00015.html
lists.opensuse.org/opensuse-security-announce/2014-03/msg00021.html
lists.opensuse.org/opensuse-security-announce/2014-04/msg00000.html
lists.opensuse.org/opensuse-updates/2013-06/msg00049.html
lists.xen.org/archives/html/xen-announce/2013-04/msg00000.html
osvdb.org/92050
secunia.com/advisories/52857
secunia.com/advisories/55082
security.gentoo.org/glsa/glsa-201309-24.xml
www.openwall.com/lists/oss-security/2013/04/04/7
www.securityfocus.com/bid/58880
www.securitytracker.com/id/1028388
exchange.xforce.ibmcloud.com/vulnerabilities/83226
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