Home/CVE/Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause
CVE

CVE-2017-10923

Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause

Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.

MEDIUM · CVSS 6.5 EPSS 0.00779
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

1
xenall versions
▣

Scoring & Timeline

6.5
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 NVD05 Jul 2017 · 01:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

4
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/99160Tool SignatureVDB Entry
http://www.securitytracker.com/id/1038735Third Party AdvisoryVDB Entry
https://security.gentoo.org/glsa/201708-03
https://xenbits.xen.org/xsa/advisory-225.htmlMailing ListMitigationVendor Advisory
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