ALPINE-CVE-2020-11743

An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service because of a bad error path in GNTTABOPmapgrant. Grant table operations are expected to return 0 for success, and a negative number for errors. Some misplaced brackets cause one error path to retur...

PT-2020-6034

Name of the Vulnerable Software and Affected Versions Xen versions through 4.13.x Description The issue is related to errors in return values of the GNTTABOP map grant component in the Xen hypervisor. Exploitation of this issue can allow an attacker to cause a denial of service. The problem arise...