CVE-2016-4963
Summary
| CVE | CVE-2016-4963 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-06-07 14:06:16 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | The libxl device-handling in Xen through 4.6.x allows local guest OS users with access to the driver domain to cause a denial of service (management tool confusion) by manipulating information in the backend directories in xenstore. |
Risk And Classification
Primary CVSS: v3.0 4.7 MEDIUM from [email protected]
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Problem Types: CWE-284 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 4.7 | MEDIUM | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 1.9 | AV:L/AC:M/Au:N/C:N/I:N/A:P |
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
HighPrivileges Required
LowUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
MediumAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
PartialAV:L/AC:M/Au:N/C:N/I:N/A:P
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Xen | Xen | 4.0.0 | All | All | All |
| Operating System | Xen | Xen | 4.0.1 | All | All | All |
| Operating System | Xen | Xen | 4.0.2 | All | All | All |
| Operating System | Xen | Xen | 4.0.3 | All | All | All |
| Operating System | Xen | Xen | 4.0.4 | All | All | All |
| Operating System | Xen | Xen | 4.1.0 | All | All | All |
| Operating System | Xen | Xen | 4.1.1 | All | All | All |
| Operating System | Xen | Xen | 4.1.2 | All | All | All |
| Operating System | Xen | Xen | 4.1.3 | All | All | All |
| Operating System | Xen | Xen | 4.1.4 | All | All | All |
| Operating System | Xen | Xen | 4.1.5 | All | All | All |
| Operating System | Xen | Xen | 4.1.6 | All | All | All |
| Operating System | Xen | Xen | 4.1.6.1 | All | All | All |
| Operating System | Xen | Xen | 4.2.0 | All | All | All |
| Operating System | Xen | Xen | 4.2.1 | All | All | All |
| Operating System | Xen | Xen | 4.2.2 | All | All | All |
| Operating System | Xen | Xen | 4.2.3 | All | All | All |
| Operating System | Xen | Xen | 4.2.4 | All | All | All |
| Operating System | Xen | Xen | 4.2.5 | 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 |
|---|---|---|---|
| XSA-178 - Xen Security Advisories | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | Vendor Advisory |
| Xen Backend Input Validation Flaw in libxl Lets Local Users Cause Denial of Service Conditions on the Host System - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | |
| [SECURITY] [DLA 1493-1] xen security update | af854a3a-2127-422b-91ae-364da2661108 | lists.debian.org | |
| 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.