CVE-2013-6400
EPSS 0.39%
描述
Xen 4.2.x and 4.3.x, when using Intel VT-d and a PCI device has been assigned, does not clear the flag that suppresses IOMMU TLB flushes when unspecified errors occur, which causes the TLB entries to not be flushed and allows local guest administrators to cause a denial of service (host crash) or gain privileges via unspecified vectors.
如何修補 CVE-2013-6400
要修補 CVE-2013-6400,請將受影響套件升級到下列已修補版本。
- Debian/xen—升級至 4.4.0-1 或更新版本
CVE-2013-6400 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 4.4.0-1