Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-6259

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.

Published

2016-08-02T16:59:09.133

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.2 (MEDIUM)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System xen xen 4.5.0 Yes
Operating System xen xen 4.5.1 Yes
Operating System xen xen 4.5.2 Yes
Operating System xen xen 4.5.3 Yes
Operating System xen xen 4.6.0 Yes
Operating System xen xen 4.6.1 Yes
Operating System xen xen 4.6.3 Yes
Operating System xen xen 4.7.0 Yes
Application citrix xenserver 6.0 Yes
Application citrix xenserver 6.0.2 Yes
Application citrix xenserver 6.1 Yes
Application citrix xenserver 6.2.0 Yes
Application citrix xenserver 6.5.0 Yes
Application citrix xenserver 7.0 Yes
References