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Vulnerability record · CVE-2022-27652 · published 18 April 2022

CVE-2022-27652: Kubernetes cri-o incorrect default permissions vulnerability

Kubernetes · Cri O

A flaw was found in cri-o, where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

5.3 CVSS 3.1 Medium EPSS 0.25% · top 85.6% CWE-276 · Incorrect default permissions
5.3CVSS 3.1 base score, v2 4.6
0.25%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

A flaw was found in cri-o, where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers started incorrectly with non-empty inheritable Linux process capabilities. This flaw allows an attacker with access to programs with inheritable file capabilities to elevate those capabilities to the permitted set when execve(2) runs.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://bugzilla.redhat.com/show_bug.cgi?id=2066839 Issue TrackingThird Party Advisory
https://github.com/cri-o/cri-o/security/advisories/GHSA-4hj2-r2pm-3hc6 MitigationThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2066839 Issue TrackingThird Party Advisory
https://github.com/cri-o/cri-o/security/advisories/GHSA-4hj2-r2pm-3hc6 MitigationThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-27652), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.