CVE-2012-3432
xen - several
EPSS 1.4%
描述
The handle_mmio function in arch/x86/hvm/io.c in the MMIO operations emulator for Xen 3.3 and 4.x, when running an HVM guest, does not properly reset certain state information between emulation cycles, which allows local guest OS users to cause a denial of service (guest OS crash) via unspecified operations on MMIO regions.
如何修補 CVE-2012-3432
要修補 CVE-2012-3432,請將受影響套件升級到下列已修補版本。
- Debian/xen—升級至 4.1.3-1 或更新版本
- Debian/xen—升級至 4.0.1-5.3 或更新版本
CVE-2012-3432 正在被利用嗎?
低 — EPSS 為 1.4%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 4.1.3-1
- from 0, < 4.0.1-5.3