CVE-2015-7970

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…

published October 30, 2015

CVSS
—
EPSS
0%
Percentile
36.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00436 · 36.9th percentile
Published
2015-10-30T15:00Z
EPSS history
Timeline
  • 30 OCT 15:00Z
    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…
    cvelistv5