CVE-2012-4537

Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the setp2mentry function fails, which allows local HVM guest OS administrators to cause a denial of service memory consumption and assertion failure, aka "Memory mapping failure DoS...

PT-2012-5468

Name of the Vulnerable Software and Affected Versions Xen versions 3.4 through 4.2 Description The issue is related to a synchronization problem between the p2m and m2p tables when the set p2m entry function fails. This allows local HVM guest OS administrators to cause a denial of service,...

CVE-2012-4537: Undefined Security Weakness

Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the setp2mentry function fails, which allows local HVM guest OS administrators to cause a denial of service memory consumption and assertion failure, aka "Memory mapping failure DoS...

Memory mapping failure DoS vulnerability

ISSUE DESCRIPTION When setp2mentry fails, Xen's internal data structures the p2m and m2p tables can get out of sync. This failure can be triggered by unusual guest behaviour exhausting the memory reserved for the p2m table. If it happens, subsequent guest-invoked memory operations can cause Xen t...

PT-2012-4707

Name of the Vulnerable Software and Affected Versions Xen versions 4.0 through 4.1 Description The issue allows local HVM guest OS kernels to cause a denial of service, resulting in a domain 0 VCPU hang and kernel panic. This occurs when the physical address space is modified in a way that trigge...

CVE-2012-3433

Xen 4.0 and 4.1 allows local HVM guest OS kernels to cause a denial of service domain 0 VCPU hang and kernel panic by modifying the physical address space in a way that triggers excessive shared page search time during the p2m teardown...