CVE-2016-4480
Severity Score
8.4
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
The guest_walk_tables function in arch/x86/mm/guest_walk.c in Xen 4.6.x and earlier does not properly handle the Page Size (PS) page table entry bit at the L4 and L3 page table levels, which might allow local guest OS users to gain privileges via a crafted mapping of memory.
La función guest_walk_tables en arch/x86/mm/guest_walk en Xen 4.6.x y versiones anteriores no maneja adecuadamente el bit de entrada a la tabla de página Page Size (PS) en los niveles de tabla de página L4 y L3, lo que podría permitir a usuarios locales huéspedes del sistema operativo obtener privilegios a través de un mapa de memoria manipulado.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2016-05-03 CVE Reserved
- 2016-05-18 CVE Published
- 2024-08-06 CVE Updated
- 2024-08-18 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-264: Permissions, Privileges, and Access Controls
CAPEC
References (5)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/90710 | Vdb Entry | |
| http://www.securitytracker.com/id/1035901 | Vdb Entry |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| http://www.debian.org/security/2016/dsa-3633 | 2016-12-01 | |
| http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html | 2016-12-01 | |
| http://xenbits.xen.org/xsa/advisory-176.html | 2016-12-01 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Oracle Search vendor "Oracle" | Vm Server Search vendor "Oracle" for product "Vm Server" | 3.2 Search vendor "Oracle" for product "Vm Server" and version "3.2" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Vm Server Search vendor "Oracle" for product "Vm Server" | 3.3 Search vendor "Oracle" for product "Vm Server" and version "3.3" | - |
Affected
| ||||||
| Oracle Search vendor "Oracle" | Vm Server Search vendor "Oracle" for product "Vm Server" | 3.4 Search vendor "Oracle" for product "Vm Server" and version "3.4" | - |
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
| ||||||