Resource exhaustion in Xen

CVE-2017-10922

The grant-table feature in Xen through 4.8.x mishandles MMIO region grant references, which allows guest OS users to cause a denial of service (loss of grant trackability), aka XSA-224 bug 3.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.020 (78.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Xen
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-10922?
CVE-2017-10922 is a high-severity vulnerability in Xen, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-07-05.
How severe is CVE-2017-10922?
High severity. CVSS v3 base score is 7.5 out of 10.