Xen Hypervisor DoS

The vulnerability of the compatiret function in Xen supervisors is related to resource management errors. Exploiting this vulnerability can allow a malicious actor, operating locally, to trigger a service failure by calling the hypercalliret function with the EFLAGS.VM parameter set...

DEBIAN-CVE-2015-4164

The compatiret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service large loop and system hang via a hypercalliret call with EFLAGS.VM set...

UBUNTU-CVE-2015-4164

The compatiret function in Xen 3.1 through 4.5 iterates the wrong way through a loop, which allows local 32-bit PV guest administrators to cause a denial of service large loop and system hang via a hypercalliret call with EFLAGS.VM set...

PT-2015-1426

Name of the Vulnerable Software and Affected Versions Xen versions 3.1 through 4.5 Description The issue is related to the compat iret function in Xen, which incorrectly iterates through a loop. This allows local 32-bit PV guest administrators to cause a denial of service, resulting in a large lo...