Home/CVE/The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (
CVE

CVE-2017-10916

The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (

The vCPU context-switch implementation in Xen through 4.8.x improperly interacts with the Memory Protection Extensions (MPX) and Protection Key (PKU) features, which makes it easier for guest OS users to defeat ASLR and other protection mechanisms, aka XSA-220.

HIGH · CVSS 7.5 EPSS 0.00393
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-200Exposure of Sensitive Information to an Unauthorized Actor
▤

Affected Products & Versions

1
xenall versions
▣

Scoring & Timeline

7.5
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 NVD05 Jul 2017 · 01:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
⚑

Vendor Advisories

1
suse-csafSUSE-SU-2017:1812-1
🔗

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.debian.org/security/2017/dsa-3969
http://www.securityfocus.com/bid/99167
http://www.securitytracker.com/id/1038730
https://security.gentoo.org/glsa/201708-03
https://xenbits.xen.org/xsa/advisory-220.htmlMailing ListMitigationVendor Advisory
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