CVE-2014-5149
EPSS 0.07%
描述
Certain MMU virtualization operations in Xen 4.2.x through 4.4.x, when using shadow pagetables, are not preemptible, which allows local HVM guest to cause a denial of service (vcpu consumption) by invoking these operations, which process every page assigned to a guest, a different vulnerability than CVE-2014-5146.
如何修補 CVE-2014-5149
要修補 CVE-2014-5149,請將受影響套件升級到下列已修補版本。
- Debian/xen—升級至 4.4.1-4 或更新版本
CVE-2014-5149 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, < 4.4.1-4