CVE-2015-3214
qemu - security update
EPSS 1.6%
描述
The pit_ioport_read in i8254.c in the Linux kernel before 2.6.33 and QEMU before 2.3.1 does not distinguish between read lengths and write lengths, which might allow guest OS users to execute arbitrary code on the host OS by triggering use of an invalid index.
如何修補 CVE-2015-3214
要修補 CVE-2015-3214,請將受影響套件升級到下列已修補版本。
- Debian/qemu—升級至 1:2.4+dfsg-1a 或更新版本
- Debian/qemu—升級至 1:2.1+dfsg-12+deb8u2 或更新版本
- Debian/xen—升級至 4.4.0-1 或更新版本
CVE-2015-3214 正在被利用嗎?
低 — EPSS 為 1.6%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- from 0, < 1:2.4+dfsg-1a
- from 0, < 1:2.1+dfsg-12+deb8u2
- from 0, < 4.4.0-1