CVE-2016-9385
Summary
| CVE | CVE-2016-9385 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-01-23 21:59:02 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| Description | The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrators to cause a denial of service (host crash) by leveraging lack of canonical address checks. |
Risk And Classification
Primary CVSS: v3.0 6 MEDIUM from [email protected]
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Problem Types: CWE-20 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 6 | MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 4.9 | AV:L/AC:L/Au:N/C:N/I:N/A:C |
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
ChangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:L/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Citrix | Xenserver | 6.0.2 | All | All | All |
| Application | Citrix | Xenserver | 6.2.0 | All | All | All |
| Application | Citrix | Xenserver | 6.5 | All | All | All |
| Application | Citrix | Xenserver | 7.0 | All | All | All |
| Operating System | Xen | Xen | 4.4.0 | All | 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 | 4.5.5 | All | All | All |
| Operating System | Xen | Xen | 4.6.0 | All | All | All |
| Operating System | Xen | Xen | 4.6.1 | All | All | All |
| Operating System | Xen | Xen | 4.6.3 | All | All | All |
| Operating System | Xen | Xen | 4.6.4 | All | All | All |
| Operating System | Xen | Xen | 4.7.0 | All | All | All |
| Operating System | Xen | Xen | 4.7.1 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| XSA-193 - Xen Security Advisories | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | Patch, Vendor Advisory |
| Xen x86 Register Write Emulation Validation Flaw Lets Local Users on a Guest System Cause Denial of Service Conditions on the Host System - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| Xen: Multiple vulnerabilities (GLSA 201612-56) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.org | |
| Citrix XenServer Multiple Security Updates | af854a3a-2127-422b-91ae-364da2661108 | support.citrix.com | Patch, Third Party Advisory, VDB Entry |
| Xen CVE-2016-9385 Denial of Service Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.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.