Home/CVE/Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS user
CVE

CVE-2017-8903

Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS user

Xen through 4.8.x on 64-bit platforms mishandles page tables after an IRET hypercall, which might allow PV guest OS users to execute arbitrary code on the host OS, aka XSA-213.

HIGH · CVSS 8.8 EPSS 0.00366
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
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Affected Products & Versions

1
xenall versions
▣

Scoring & Timeline

8.8
HIGH · 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 NVD11 May 2017 · 07:29 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
🔗

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/98426
http://www.securitytracker.com/id/1038386
https://blog.xenproject.org/2017/05/02/updates-on-xsa-213-xsa-214-and-xsa-215/Vendor Advisory
https://security.gentoo.org/glsa/201705-11
https://xenbits.xen.org/xsa/advisory-213.htmlMitigationPatchVendor Advisory
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