CVE-2014-1642
EPSS 0.18%
描述
The IRQ setup in Xen 4.2.x and 4.3.x, when using device passthrough and configured to support a large number of CPUs, frees certain memory that may still be intended for use, which allows local guest administrators to cause a denial of service (memory corruption and hypervisor crash) and possibly execute arbitrary code via vectors related to an out-of-memory error that triggers a (1) use-after-free or (2) double free.
如何修補 CVE-2014-1642
要修補 CVE-2014-1642,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-2014-1642 正在被利用嗎?
低 — EPSS 為 0.2%,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