CVEvulnerability

CVE-2016-9382

7.8 HIGH Published 2017-01-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2017-01-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
7.8 HIGH — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-264

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.

Affected configurations

• xen xen 4.0.0 • xen xen 4.0.1 • xen xen 4.0.2 • xen xen 4.0.3 • xen xen 4.0.4 • xen xen 4.1.0 • xen xen 4.1.1 • xen xen 4.1.2 • xen xen 4.1.3 • xen xen 4.1.4 • xen xen 4.1.5 • xen xen 4.1.6.1 • xen xen 4.2.0 • xen xen 4.2.1 • xen xen 4.2.2 • xen xen 4.2.3 • xen xen 4.2.4 • xen xen 4.2.5 • xen xen 4.3.0 • xen xen 4.3.1 • xen xen 4.3.2 • xen xen 4.3.3 • xen xen 4.3.4 • xen xen 4.4.0 • xen xen 4.4.1 • xen xen 4.4.2 • xen xen 4.4.3 • xen xen 4.4.4 • xen xen 4.5.0 • xen xen 4.5.1 • xen xen 4.5.2 • xen xen 4.5.3 • xen xen 4.5.5 • xen xen 4.6.0 • xen xen 4.6.1 • xen xen 4.6.3 • xen xen 4.6.4 • xen xen 4.7.0 • xen xen 4.7.1 • citrix xenserver 6.0.2 • citrix xenserver 6.2.0 • citrix xenserver 6.5 • citrix xenserver 7.0

Related

Weakness · not in database (1)

References