Vulnerability in Xen

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.

EPSS: 0.001 (20.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

  • Xen
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-17564?
CVE-2017-17564 is a high-severity vulnerability in Xen, classified under CWE-388. CVSS score: 7.8/10. Published 2017-12-12.
How severe is CVE-2017-17564?
High severity. CVSS v3 base score is 7.8 out of 10.