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Servers and applications

CVE-2019-19583

An issue was discovered in Xen through 4.12.x allowing x86 HVM/PVH guest OS users to cause a denial of service (guest OS crash) because VMX VMEntry checks mishandle a certain case. Please see XSA-260 for background on the MovSS shadow. Please see XSA-156 for background on the need for #DB interception. The VMX VMEntry checks do not like the exact combination of state which occurs when #DB in…

Severity
High 7.5
Published
11 Dec 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
2.4% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • From 4.8.0 up to 4.12.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-19583
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-19583