DEBIAN-CVE-2015-7970

DEBIAN-CVE-2015-7970 PUBLISHED CVSS 6.900000095367432 MEDIUM

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.

Risk Scores

CVSS v4.0

6.900000095367432

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected Products

Vendor	Product	Versions
Debian:12	xen	0, 0, 0
Debian:14	xen	0, 0, 0
Debian:11	xen	0, 0, 0
Debian:13	xen	0, 0, 0

Timeline

Oct 30, 2015 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2015-7970 advisory

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