// For flags

CVE-2016-6259

 

Severity Score

6.2
*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Xen 4.5.x hasta la version 4.7.x no implementa listas blancas Supervisor Mode Access Prevencion (SMAP) en excepción 32 bits y entrega de eventos, lo que permite a kernels 32-bit PV locales del SO invitado provocar una denegación de servicio (hipervisor y caida VM) mediante la activación de un control de seguridad.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Local
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2016-07-20 CVE Reserved
  • 2016-08-02 CVE Published
  • 2023-03-07 EPSS Updated
  • 2024-08-06 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-20: Improper Input Validation
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Xen
Search vendor "Xen"
Xen
Search vendor "Xen" for product "Xen"
4.5.0
Search vendor "Xen" for product "Xen" and version "4.5.0"
-
Affected
Xen
Search vendor "Xen"
Xen
Search vendor "Xen" for product "Xen"
4.5.1
Search vendor "Xen" for product "Xen" and version "4.5.1"
-
Affected
Xen
Search vendor "Xen"
Xen
Search vendor "Xen" for product "Xen"
4.5.2
Search vendor "Xen" for product "Xen" and version "4.5.2"
-
Affected
Xen
Search vendor "Xen"
Xen
Search vendor "Xen" for product "Xen"
4.5.3
Search vendor "Xen" for product "Xen" and version "4.5.3"
-
Affected
Xen
Search vendor "Xen"
Xen
Search vendor "Xen" for product "Xen"
4.6.0
Search vendor "Xen" for product "Xen" and version "4.6.0"
-
Affected
Xen
Search vendor "Xen"
Xen
Search vendor "Xen" for product "Xen"
4.6.1
Search vendor "Xen" for product "Xen" and version "4.6.1"
-
Affected
Xen
Search vendor "Xen"
Xen
Search vendor "Xen" for product "Xen"
4.6.3
Search vendor "Xen" for product "Xen" and version "4.6.3"
-
Affected
Xen
Search vendor "Xen"
Xen
Search vendor "Xen" for product "Xen"
4.7.0
Search vendor "Xen" for product "Xen" and version "4.7.0"
-
Affected
Citrix
Search vendor "Citrix"
Xenserver
Search vendor "Citrix" for product "Xenserver"
6.0
Search vendor "Citrix" for product "Xenserver" and version "6.0"
-
Affected
Citrix
Search vendor "Citrix"
Xenserver
Search vendor "Citrix" for product "Xenserver"
6.0.2
Search vendor "Citrix" for product "Xenserver" and version "6.0.2"
-
Affected
Citrix
Search vendor "Citrix"
Xenserver
Search vendor "Citrix" for product "Xenserver"
6.1
Search vendor "Citrix" for product "Xenserver" and version "6.1"
-
Affected
Citrix
Search vendor "Citrix"
Xenserver
Search vendor "Citrix" for product "Xenserver"
6.2.0
Search vendor "Citrix" for product "Xenserver" and version "6.2.0"
sp1
Affected
Citrix
Search vendor "Citrix"
Xenserver
Search vendor "Citrix" for product "Xenserver"
6.5.0
Search vendor "Citrix" for product "Xenserver" and version "6.5.0"
sp1
Affected
Citrix
Search vendor "Citrix"
Xenserver
Search vendor "Citrix" for product "Xenserver"
7.0
Search vendor "Citrix" for product "Xenserver" and version "7.0"
-
Affected