CVE-2012-4537

描述

Xen 3.4 through 4.2, and possibly earlier versions, does not properly synchronize the p2m and m2p tables when the set_p2m_entry function fails, which allows local HVM guest OS administrators to cause a denial of service (memory consumption and assertion failure), aka "Memory mapping failure DoS vulnerability."

如何修補 CVE-2012-4537

要修補 CVE-2012-4537,請將受影響套件升級到下列已修補版本。

• Debian/xen—升級至 4.1.3-4 或更新版本

CVE-2012-4537 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, < 4.1.3-4

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2012-4537