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Servers and applications

CVE-2016-9377

Xen 4.5.x through 4.7.x on AMD systems without the NRip feature, when emulating instructions that generate software interrupts, allows local HVM guest OS users to cause a denial of service (guest crash) by leveraging IDT entry miscalculation.

Severity
Medium 5.5
Published
22 Feb 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 33% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Version 4.7.1
  • Version 4.7.0
  • Version 4.6.4
  • Version 4.6.3
All 11 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 4.6.3
  • Version 4.6.4
  • Version 4.7.0
  • Version 4.7.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-9377
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-9377