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Vulnerability record · CVE-2022-27650 · published 4 April 2022

CVE-2022-27650: Crun project crun incorrect default permissions vulnerability

Crun Project · Crun

A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers were 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.

7.5 CVSS 3.1 High EPSS 1.3% · top 31.8% CWE-276 · Incorrect default permissions
7.5CVSS 3.1 base score, v2 6.0
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
8References
17 Jun 2026Last modified by NVD

Description

A flaw was found in crun where containers were incorrectly started with non-empty default permissions. A vulnerability was found in Moby (Docker Engine) where containers were 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:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

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=2066845 Issue TrackingThird Party Advisory
https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6 PatchThird Party Advisory
https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYIGABCZ7ZHAG2XCOGITTQR
https://bugzilla.redhat.com/show_bug.cgi?id=2066845 Issue TrackingThird Party Advisory
https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6 PatchThird Party Advisory
https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398 Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYIGABCZ7ZHAG2XCOGITTQR

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Source: NIST National Vulnerability Database (record CVE-2022-27650), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.