vulnerability

Ubuntu: (CVE-2016-9382): xen vulnerability

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
Jan 23, 2017
Added
Nov 19, 2024
Modified
Apr 16, 2026

Description

Xen 4.0.x through 4.7.x mishandle x86 task switches to VM86 mode, which allows local 32-bit x86 HVM guest OS users to gain privileges or cause a denial of service (guest OS crash) by leveraging a guest operating system that uses hardware task switching and allows a new task to start in VM86 mode.

Solution

ubuntu-upgrade-xen
Title
Rapid7 Labs

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