CVE-2016-1922

描述

QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'current_cpu' remains null, which leads to the null pointer dereference. A user or process could use this flaw to crash the QEMU instance, resulting in DoS issue.

如何修補 CVE-2016-1922

要修補 CVE-2016-1922,請將受影響套件升級到下列已修補版本。

• —升級至 1:2.5+dfsg-4 或更新版本

CVE-2016-1922 正在被利用嗎?

低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 1:2.5+dfsg-4

CVSS 分數

參考連結(1)

• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2016-1922