CVE-2013-1917
xen - several
EPSS 0.07%
描述
Xen 3.1 through 4.x, when running 64-bit hosts on Intel CPUs, does not clear the NT flag when using an IRET after a SYSENTER instruction, which allows PV guest users to cause a denial of service (hypervisor crash) by triggering a #GP fault, which is not properly handled by another IRET instruction.
如何修補 CVE-2013-1917
要修補 CVE-2013-1917,請將受影響套件升級到下列已修補版本。
- Debian/xen—升級至 4.1.4-3 或更新版本
- Debian/xen—升級至 4.0.1-5.10 或更新版本
CVE-2013-1917 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, < 4.1.4-3
- from 0, < 4.0.1-5.10