CVE-2022-4318
Cri-o: /etc/passwd tampering privesc
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
A vulnerability was found in cri-o. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.
Timeline
ID reserved
By redhat
- 10 months later
· 10 months later
Published
- 10 months later
· 10 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.29% · top 78% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
Red Hat · Red Hat OpenShift Container Platform 4.11
- unaffected 0:1.24.4-10.rhaos4.11.git1ed5ac5.el8 – < *
Red Hat · Red Hat OpenShift Container Platform 4.12
- unaffected 0:1.25.2-9.rhaos4.12.git0a083f9.el9 – < *
Red Hat · Red Hat Enterprise Linux 9
All versions: unaffected
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/cri-o/cri-oGHSA-cm9x-c3rh-7rc4 (opens in a new tab)
References (4)
- RHSA-2023:1033 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2023:1503 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://access.redhat.com/security/cve/CVE-2022-4318 (opens in a new tab)vdb-entryx_refsource_REDHATx_transferred
- RHBZ#2152703 (opens in a new tab)issue-trackingx_refsource_REDHATx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-cm9x-c3rh-7rc4 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-4318)Record last updated .