Home/CVE/The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrator
CVE

CVE-2016-9385

The x86 segment base write emulation functionality in Xen 4.4.x through 4.7.x allows local x86 PV guest OS administrator

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.

MEDIUM · CVSS 6 EPSS 0.00104
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

2
xenall versions
citrix xenserverall versions
▣

Scoring & Timeline

6
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD23 Jan 2017 · 09:59 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2024:11520-1
suse-csafSUSE-SU-2016:3174-1
suse-csafSUSE-SU-2016:3156-1
suse-csafSUSE-SU-2016:3083-1
suse-csafSUSE-SU-2016:3067-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/94472Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1037342Third Party AdvisoryVDB Entry
http://xenbits.xen.org/xsa/advisory-193.htmlPatchVendor Advisory
https://security.gentoo.org/glsa/201612-56
https://support.citrix.com/article/CTX218775PatchThird Party AdvisoryVDB Entry
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