Xen 'x86_64 __addr_ok()' Local Denial Of Service Vulnerability

Xen is prone to a denial-of-service vulnerability due to an off-by-one error.

An attacker with access to a guest operating system can exploit this issue to crash the host operating system, effectively denying service to legitimate users. Due to the nature of this issue arbitrary code-execution maybe possible; however this has not been confirmed,


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