CVE-2016-4962
Summary
| CVE | CVE-2016-4962 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-06-07 14:06:15 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | The libxl device-handling in Xen 4.6.x and earlier allows local OS guest administrators to cause a denial of service (resource consumption or management facility confusion) or gain host OS privileges by manipulating information in guest controlled areas of xenstore. |
Risk And Classification
Primary CVSS: v3.0 6.7 MEDIUM from [email protected]
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Problem Types: CWE-264 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 6.7 | MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 6.8 | AV:L/AC:L/Au:S/C:C/I:C/A:C |
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
SingleConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:S/C:C/I:C/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Oracle | Vm Server | 3.3 | All | All | All |
| Operating System | Oracle | Vm Server | 3.4 | All | All | All |
| Operating System | Xen | Xen | 4.3.0 | All | All | All |
| Operating System | Xen | Xen | 4.3.1 | All | All | All |
| Operating System | Xen | Xen | 4.3.2 | All | All | All |
| Operating System | Xen | Xen | 4.3.3 | All | All | All |
| Operating System | Xen | Xen | 4.3.4 | All | All | All |
| Operating System | Xen | Xen | 4.4.0 | All | All | All |
| Operating System | Xen | Xen | 4.4.0 | rc1 | All | All |
| Operating System | Xen | Xen | 4.4.1 | All | All | All |
| Operating System | Xen | Xen | 4.4.2 | All | All | All |
| Operating System | Xen | Xen | 4.4.3 | All | All | All |
| Operating System | Xen | Xen | 4.4.4 | All | All | All |
| Operating System | Xen | Xen | 4.5.0 | All | All | All |
| Operating System | Xen | Xen | 4.5.1 | All | All | All |
| Operating System | Xen | Xen | 4.5.2 | All | All | All |
| Operating System | Xen | Xen | 4.5.3 | All | All | All |
| Operating System | Xen | Xen | 4.6.0 | All | All | All |
| Operating System | Xen | Xen | 4.6.1 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Xen CVE-2016-4962 Privilege Escalation Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Oracle VM Server for x86 Bulletin - July 2016 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | Vendor Advisory |
| Debian -- Security Information -- DSA-3633-1 xen | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| XSA-175 - Xen Security Advisories | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | Vendor Advisory |
| Xen Input Validation Flaw in libxl Lets Local Guest Users Deny Service and Gain Elevated Privileges on the Host System - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.