DEBIAN-CVE-2015-7970

Advisory lineage Upstream: 1 Downstream: 2
Upstream
CVE-2015-7970
Published: 30 Oct 2015, 15:59
Last modified:28 Apr 2026, 20:14

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

30 Oct 2015, 15:59
Published
Vulnerability first disclosed
28 Apr 2026, 20:14
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.

Affected Systems

  • debian•xen

    < 4.6.0-1 | < 4.6.0-1 | < 4.6.0-1 | < 4.6.0-1

References (1)