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Servers and applications

CVE-2017-10916

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.

Severity
High 7.5
Published
5 Jul 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.3% in the next 30 daysHigher than 71% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.8.1
  • Version 4.8.0
  • Version 4.7.1
  • Version 4.6.5
All 13 release lines
  • Version 4.5.0
  • Version 4.5.1
  • Version 4.5.2
  • Version 4.5.3
  • Version 4.5.5
  • Version 4.6.0
  • Version 4.6.1
  • Version 4.6.2
  • Version 4.6.4
  • Version 4.6.5
  • Version 4.7.1
  • Version 4.8.0
  • Version 4.8.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-10916
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-10916