CVE-2022-27650: crun_project crun Incorrect Default Permissions
Vulnerability summary
CVE-2022-27650 is a high (CVSS 7.5) Incorrect Default Permissions vulnerability in crun_project crun. EPSS estimates a 1.24% chance of exploitation in the next 30 days, higher than 69.2% of scored vulnerabilities.
Not severe (CVSS 7.5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 04-04-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
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 metrics
6 scores · 5 sources · 2 versions- OSV · Red hatEcosystem advisory · calculated5.6MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:LDiffers
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.24%
Chance of exploitation in the next 30 days
Percentile
69%
Versus all other CVEs
30-day change
Decrease -0.01 pp
From 1.25% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat60 products
- enterprise_linux8.0
- openshift_container_platform4.0
- buildah< 0:1.19.9-3.module+el8.6.0+14694+4f5132e0
- buildah-debuginfo< 0:1.19.9-3.module+el8.6.0+14694+4f5132e0
- buildah-debugsource< 0:1.19.9-3.module+el8.6.0+14694+4f5132e0
Alpine1 product
- crun< 1.4.4-r0
Crun_project1 product
- crun< 1.4.4
Debian1 product
- crun< 1.5+dfsg-1
Fedoraproject1 product
- fedoraEOL34
Mageia1 product
- crun< 1.4.4-1.mga8
Opensuse1 product
- crun&distro=openSUSE Tumbleweed< 1.4.4-1.1
Ubuntu1 product
- crunAll versions (No fix recorded)
8 vendors · 67 products
References
21 links- github.com/containers/crun/security/advisories/GHSA-wr4f-w546-m398X Refsource MISCARTICLEREPORTThird Party Advisory
- github.com/containers/crun/commit/1aeeed2e4fdeffb4875c0d0b439915894594c8c6X Refsource MISCREPORTPatchThird Party Advisory
