CVE-2015-7970
EPSS 0.07%
描述
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.
如何修補 CVE-2015-7970
要修補 CVE-2015-7970,請將受影響套件升級到下列已修補版本。
- Debian/xen—升級至 4.6.0-1 或更新版本
CVE-2015-7970 正在被利用嗎?
低 — EPSS 為 0.1%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.6.0-1