CVE-2015-7970

Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 30 Oct 2015, 15:00
Last modified:06 Aug 2024, 08:06

Vulnerability Summary

Overall Risk (default)
low
20/100
CVSS Score
4.9 MEDIUM
v2.0 (nvd)
EPSS Score
0.07% LOW
0% probability -0.05%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Oct 2015, 15:00
Published
Vulnerability first disclosed
06 Aug 2024, 08:06
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C

EPSS Trends

Current EPSS score: 0.07%• Percentile: 22%

Techniques & Countermeasures

  • CWE-399•Resource Management Errors

    Weaknesses in this category are related to improper management of system resources.

Affected Systems

  • xen•xen

    3.4.0 | 3.4.1 | 3.4.2 | 3.4.3 | 3.4.4

References (10)