CVE-2013-1442

描述

Xen 4.0 through 4.3.x, when using AVX or LWP capable CPUs, does not properly clear previous data from registers when using an XSAVE or XRSTOR to extend the state components of a saved or restored vCPU after touching other restored extended registers, which allows local guest OSes to obtain sensitive information by reading the registers.

如何修補 CVE-2013-1442

要修補 CVE-2013-1442,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-2013-1442 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, < 4.4.0-1

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2013-1442