What is CVE-2018-20168?

CVE-2018-20168 is a medium-severity vulnerability in Google Gvisor, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-12-17.

How severe is CVE-2018-20168?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Google Gvisor

CVE-2018-20168

Google gVisor before 2018-08-22 reuses a pagetable in a different level with the paging-structure cache intact, which allows attackers to cause a denial of service ("physical address not valid" panic) via a crafted application.

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

EPSS: 0.003 (19.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Google Gvisor
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2018-20168?: CVE-2018-20168 is a medium-severity vulnerability in Google Gvisor, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-12-17.
How severe is CVE-2018-20168?: Medium severity. CVSS v3 base score is 5.5 out of 10.