CVEvulnerability

CVE-2016-6259

6.2 MEDIUM Published 2016-08-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2016-08-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
6.2 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.9 MEDIUM — AV:L/AC:L/Au:N/C:N/I:N/A:C
Weaknesses
CWE-20

Description

Xen 4.5.x through 4.7.x do not implement Supervisor Mode Access Prevention (SMAP) whitelisting in 32-bit exception and event delivery, which allows local 32-bit PV guest OS kernels to cause a denial of service (hypervisor and VM crash) by triggering a safety check.

Affected configurations

• xen xen 4.5.0 • xen xen 4.5.1 • xen xen 4.5.2 • xen xen 4.5.3 • xen xen 4.6.0 • xen xen 4.6.1 • xen xen 4.6.3 • xen xen 4.7.0 • citrix xenserver 6.0 • citrix xenserver 6.0.2 • citrix xenserver 6.1 • citrix xenserver 6.2.0 • citrix xenserver 6.5.0 • citrix xenserver 7.0

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References