Improper input validation in Xen

CVE-2017-10918

Xen through 4.8.x does not validate memory allocations during certain P2M operations, which allows guest OS users to obtain privileged host OS access, aka XSA-222.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.037 (88.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/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-2017-10918?
CVE-2017-10918 is a critical-severity vulnerability in Xen, classified under Improper Input Validation. CVSS score: 10.0/10. Published 2017-07-05.
How severe is CVE-2017-10918?
Critical severity. CVSS v3 base score is 10.0 out of 10.