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CVE-2015-7970

CVE information

Published

8 years ago

Last Modified

6 years ago

CVSSv2.0 Severity

Medium

Impact Analysis

Description

The p2m_pod_emergency_sweep function in arch/x86/mm/p2m-pod.c in Xen 3.4.x, 3.5.x, and 3.6.x is not preemptible, which allows local x86 HVM guest administrators to cause a denial of service (CPU consumption and possibly reboot) via crafted memory contents that triggers a "time-consuming linear scan," related to Populate-on-Demand..

CVSSv2.0 Score

Severity
Medium
Base Score
4.9/10
Exploit Score
3.9/10
Access Vector
Local
Access Complexity
Low
Authentication Required
None
Impact Score
6.9/10
Confidentiality Impact
None
Availability Impact
Complete
Integrity Impact
None

Products Affected

CPE Affected Vulnerable Excluding Edit
cpe:2.3:o:xen:xen:3.4.0:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:3.4.4:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:3.4.3:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:3.4.2:*:*:*:*:*:*:*
  Yes
- -
cpe:2.3:o:xen:xen:3.4.1:*:*:*:*:*:*:*
  Yes
- -