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.
Published 2013-05-13 23:55:02
Updated 2014-04-19 04:34:28
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Input validationDenial of service

Products affected by CVE-2013-1917

Exploit prediction scoring system (EPSS) score for CVE-2013-1917

0.06%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2013-1917

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
1.9
LOW AV:L/AC:M/Au:N/C:N/I:N/A:P
3.4
2.9
NIST

CWE ids for CVE-2013-1917

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2013-1917

Jump to
This web site uses cookies for managing your session, storing preferences, website analytics and additional purposes described in our privacy policy.
By using this web site you are agreeing to CVEdetails.com terms of use!