CVE-2014-8867

描述

The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.

如何修補 CVE-2014-8867

要修補 CVE-2014-8867,請將受影響套件升級到下列已修補版本。

• Debian/xen—升級至 4.4.1-5 或更新版本

CVE-2014-8867 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(1)

• from 0, < 4.4.1-5

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2014-8867