CVE-2013-1917

LowCVSS 1.9/10Last modified Jun 16, 2026

Description

Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction.

Metrics

CVSS 2.0 1.9/10AV:L/AC:M/Au:N/C:N/I:N/A:P

Weakness enumeration

CWE-20

Affected software

No affected versions have been published.

Timeline

Published: May 13, 2013
Last modified: Jun 16, 2026
NVD status: Modified

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