What’s Vulnerable › Vulnerabilities

CVE-2022-27650

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-04-04 · updated 2026-06-17
• Weakness: CWE-276

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.

Affected products

• containers crun: before 1.4.4 — fixed in 1.4.4
• Fedoraproject Fedora: 34
• Red Hat Enterprise Linux: 8.0
• Red Hat OpenShift Container Platform 4.18: 4.0

How to fix

Upgrade to a fixed version: containers crun 1.4.4. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=2066845
• https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6
• https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYIGABCZ7ZHAG2XCOGITTQRJU2ASWMFA/
• https://bugzilla.redhat.com/show_bug.cgi?id=2066845
• https://github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6
• https://github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYIGABCZ7ZHAG2XCOGITTQRJU2ASWMFA/

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