What is CVE-2017-10923?

CVE-2017-10923 is a medium-severity vulnerability in Xen, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-07-05.

How severe is CVE-2017-10923?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Xen

CVE-2017-10923

Xen through 4.8.x does not validate a vCPU array index upon the sending of an SGI, which allows guest OS users to cause a denial of service (hypervisor crash), aka XSA-225.

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

EPSS: 0.018 (76.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Xen — versions 4.6.0, 4.6.1, 4.6.2
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
cve@mitre.org (VDB Entry, vdb-entry, x_refsource_BID, Tool Signature)
cve@mitre.org (vendor-advisory, x_refsource_GENTOO)
cve@mitre.org (x_refsource_CONFIRM, Mailing List, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2017-10923?: CVE-2017-10923 is a medium-severity vulnerability in Xen, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2017-07-05.
How severe is CVE-2017-10923?: Medium severity. CVSS v3 base score is 6.5 out of 10.