CVE-2016-6258
UnknownEPSS 0.40%
Last modified
CVE-2016-6258 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.40% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Xen | Xen | 3.4.0 | — |
| Xen | Xen | 3.4.2 | — |
| Xen | Xen | 3.4.3 | — |
| Xen | Xen | 3.4.4 | — |
| Xen | Xen | 4.0.0 | — |
| Xen | Xen | 4.0.1 | — |
| Xen | Xen | 4.0.3 | — |
| Xen | Xen | 4.0.4 | — |
| Xen | Xen | 4.1.0 | — |
| Xen | Xen | 4.1.1 | — |
| Xen | Xen | 4.1.2 | — |
| Xen | Xen | 4.1.3 | — |
| Xen | Xen | 4.1.4 | — |
| Xen | Xen | 4.1.5 | — |
| Xen | Xen | 4.2.0 | — |
| Xen | Xen | 4.2.1 | — |
| Xen | Xen | 4.2.2 | — |
| Xen | Xen | 4.2.3 | — |
| Xen | Xen | 4.3.0 | — |
| Xen | Xen | 4.3.1 | — |
| Xen | Xen | 4.4.0 | — |
| Xen | Xen | 4.4.1 | — |
| Xen | Xen | 4.5.0 | — |
| Xen | Xen | 4.6.0 | — |
| Xen | Xen | 4.6.1 | — |
| Xen | Xen | 4.6.3 | — |
| Xen | Xen | 4.7.0 | — |
| Citrix | Xenserver | 6.0 | — |
| Citrix | Xenserver | 6.0.2 | — |
| Citrix | Xenserver | 6.1 | — |
| Citrix | Xenserver | 6.2.0 | Sp1 |
| Citrix | Xenserver | 6.5.0 | Sp1 |
| Citrix | Xenserver | 7.0 | — |
References
- http://support.citrix.com/article/CTX214954Vendor Advisory
- http://www.securityfocus.com/bid/92131Third Party Advisory
- http://www.securitytracker.com/id/1036446Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-182.htmlMitigation, Patch, Vendor Advisory
- http://support.citrix.com/article/CTX214954Vendor Advisory
- http://www.securityfocus.com/bid/92131Third Party Advisory
- http://www.securitytracker.com/id/1036446Third Party Advisory
- http://xenbits.xen.org/xsa/advisory-182.htmlMitigation, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-6258?
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.
How severe is CVE-2016-6258?
Severity scoring for CVE-2016-6258 is pending analysis. The EPSS model estimates a 0.40% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6258?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-6258?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST