VMLAUNCH/VMRESUME of the component Permission Check Dereferrer. Applying the patch Xen Security Advisory 75 - Host crash due to guest VMX instruction execution is able to eliminate this problem. The bugfix is ready for download at seclists.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.
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Linux Foundation Xen 4.2.0 up to 4.3.1 Permission Check Dereferrer VMLAUNCH/VMRESUME input validation
A vulnerability has been found in Linux Foundation Xen 4.2.0 up to 4.3.1 (Virtualization Software) and classified as problematic. This vulnerability affects…