CVE-2011-3131
xen - denial of service
EPSS 0.05%
描述
Xen 4.1.1 and earlier allows local guest OS kernels with control of a PCI[E] device to cause a denial of service (CPU consumption and host hang) via many crafted DMA requests that are denied by the IOMMU, which triggers a livelock.
如何修補 CVE-2011-3131
要修補 CVE-2011-3131,請將受影響套件升級到下列已修補版本。
- Debian/xen—升級至 4.1.2-1 或更新版本
- Debian/xen—升級至 4.0.1-5.5 或更新版本
CVE-2011-3131 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(2)
- from 0, < 4.1.2-1
- from 0, < 4.0.1-5.5