CVE-2016-6258
Summary
| CVE | CVE-2016-6258 |
|---|---|
| State | PUBLISHED |
| Assigner | mitre |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-08-02 16:59:08 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| Description | The PV pagetable code in arch/x86/mm.c in Xen 4.7.x and earlier allows local 32-bit PV guest OS administrators to gain host OS privileges by leveraging fast-paths for updating pagetable entries. |
Risk And Classification
Primary CVSS: v3.0 8.8 HIGH from [email protected]
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Problem Types: CWE-284 | n/a
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 8.8 | HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| 2.0 | [email protected] | Primary | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
LowUser Interaction
NoneScope
ChangedConfidentiality
HighIntegrity
HighAvailability
HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:N/C:C/I:C/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Application | Citrix | Xenserver | 6.0 | All | All | All |
| Application | Citrix | Xenserver | 6.0.2 | All | All | All |
| Application | Citrix | Xenserver | 6.1 | All | All | All |
| Application | Citrix | Xenserver | 6.2.0 | sp1 | All | All |
| Application | Citrix | Xenserver | 6.5.0 | sp1 | All | All |
| Application | Citrix | Xenserver | 7.0 | All | All | All |
| Operating System | Xen | Xen | 3.4.0 | All | All | All |
| Operating System | Xen | Xen | 3.4.2 | All | All | All |
| Operating System | Xen | Xen | 3.4.3 | All | All | All |
| Operating System | Xen | Xen | 3.4.4 | All | All | All |
| Operating System | Xen | Xen | 4.0.0 | All | All | All |
| Operating System | Xen | Xen | 4.0.1 | All | All | All |
| Operating System | Xen | Xen | 4.0.3 | 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 | 4.2.0 | 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 | 4.3.0 | All | All | All |
| Operating System | Xen | Xen | 4.3.1 | 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 | 4.5.0 | 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 | 4.7.0 | All | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Xen CVE-2016-6258 Privilege Escalation Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | Third Party Advisory |
| Citrix XenServer Multiple Security Updates | af854a3a-2127-422b-91ae-364da2661108 | support.citrix.com | Vendor Advisory |
| Oracle VM Server for x86 Bulletin - July 2016 | af854a3a-2127-422b-91ae-364da2661108 | www.oracle.com | Release Notes |
| XSA-182 - Xen Security Advisories | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | Mitigation, Patch, Vendor Advisory |
| Debian -- Security Information -- DSA-3633-1 xen | af854a3a-2127-422b-91ae-364da2661108 | www.debian.org | |
| xenbits.xen.org/xsa/xsa182-4.5.patch | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | Patch |
| xenbits.xen.org/xsa/xsa182-4.6.patch | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | Patch |
| Xen PV Pagetable Update Flaw Lets Local Users on an X86 PV Guest System Gain Elevated Privileges on the Host System - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory |
| xenbits.xen.org/xsa/xsa182-unstable.patch | af854a3a-2127-422b-91ae-364da2661108 | xenbits.xen.org | Patch |
| Xen: Multiple vulnerabilities (GLSA 201611-09) — Gentoo security | af854a3a-2127-422b-91ae-364da2661108 | security.gentoo.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.