All vulnerabilities

Servers and applications

CVE-2017-17564

An issue was discovered in Xen through 4.9.x allowing guest OS users to cause a denial of service (host OS crash) or gain host OS privileges by leveraging incorrect error handling for reference counting in shadow mode.

Severity
High 7.8
Published
12 Dec 2017
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.4% in the next 30 daysHigher than 29% of CVEs. EPSS by FIRST, 11 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
XenServers and applications · cpe:o:xen:xen
  • Every version up to 4.9.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2017-17564
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2017-17564