Cri-o: /etc/passwd tampering privesc
Priority LOW 36CWE-538Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0029 21st percentileScored 2026-11-07
Fix Fixed github.com/cri-o/cri-o (Go): 1.26.0Red Hat: 2 advisories
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | Red Hat OpenShift Container Platform 4.11 | — | 1.24.4-10.rhaos4.11.git1ed5ac5.el8 | Patch available | CNA |
| Red Hat | Red Hat OpenShift Container Platform 4.12 | — | 1.25.2-9.rhaos4.12.git0a083f9.el9 | Patch available | CNA |
| Red Hat | Red Hat Enterprise Linux 9 | — | — | Not affected | CNA |
| — | github.com/cri-o/cri-o (Go) | before 1.26.0 | 1.26.0 | Patch available | GHSA-cm9x-c3rh-7rc4 |
- Red Hat OpenShift Container Platform 4.11 VendorRed Hat Affected — Fixed in 1.24.4-10.rhaos4.11.git1ed5ac5.el8 Patch available CNA
- Red Hat OpenShift Container Platform 4.12 VendorRed Hat Affected — Fixed in 1.25.2-9.rhaos4.12.git0a083f9.el9 Patch available CNA
- Red Hat Enterprise Linux 9 VendorRed Hat Affected — Fixed in — Not affected CNA
- github.com/cri-o/cri-o (Go) Vendor— Affected before 1.26.0 Fixed in 1.26.0 Patch available GHSA-cm9x-c3rh-7rc4
CPE configurations NVD · 14
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kubernetes:cri-o:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Kubernetes |
| cpe:2.3:a:redhat:openshift_container_platform_for_arm64:4.12:*:*:*:*:*:*:* | 4.12 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.12:*:*:*:*:*:*:* | 4.12 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_power:4.12:*:*:*:*:*:*:* | 4.12 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.12:*:*:*:*:*:*:* | 4.12 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Running on | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* | 9.0 | Running on | Red Hat |
| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 36 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* | 37 | Vulnerable | Fedoraproject |
- cpe:2.3:a:kubernetes:cri-o:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Kubernetes
- cpe:2.3:a:redhat:openshift_container_platform_for_arm64:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_power:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.12:*:*:*:*:*:*:* Versions 4.12 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Running on ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Running on ·Red Hat
- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject
Show 4 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:redhat:openshift_container_platform_for_arm64:4.11:*:*:*:*:*:*:* | 4.11 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.11:*:*:*:*:*:*:* | 4.11 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_for_power:4.11:*:*:*:*:*:*:* | 4.11 | Vulnerable | Red Hat |
| cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.11:*:*:*:*:*:*:* | 4.11 | Vulnerable | Red Hat |
- cpe:2.3:a:redhat:openshift_container_platform_for_arm64:4.11:*:*:*:*:*:*:* Versions 4.11 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_linuxone:4.11:*:*:*:*:*:*:* Versions 4.11 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_for_power:4.11:*:*:*:*:*:*:* Versions 4.11 Vulnerable ·Red Hat
- cpe:2.3:a:redhat:openshift_container_platform_ibm_z_systems:4.11:*:*:*:*:*:*:* Versions 4.11 Vulnerable ·Red Hat
Remediation
- Fix · GHSA-cm9x-c3rh-7rc4 github.com/cri-o/cri-o (Go) Fixed in 1.26.0 Advisory →
Red Hat 2 advisories
- RHSA-2023:1503 Released 2023-04-04 · Red Hat rating ModerateOpenShift Container Platform 4.11.34 packages and security update
- Red Hat OpenShift Container Platform 4.11 cri-o-1.24.4-10.rhaos4.11.git1ed5ac5.el8
- RHSA-2023:1033 Released 2023-03-07 · Red Hat rating ModerateOpenShift Container Platform 4.12.6 packages and security update
- Red Hat OpenShift Container Platform 4.12 cri-o-1.25.2-10.rhaos4.12.git0a083f9.el8, cri-o-1.25.2-9.rhaos4.12.git0a083f9.el9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat OpenShift Container Platform 4.11 | Fixed | RHSA-2023:1503 |
| Red Hat OpenShift Container Platform 4.12 | Fixed | RHSA-2023:1033 |
Not affected: 3 products
- Red Hat Enterprise Linux 9
- Red Hat OpenShift Container Platform 4.11
- Red Hat OpenShift Container Platform 4.12
Timeline
- 2026-10-02 Threatist record created from CVE-2022-4318
- 2026-10-03 Alias added: GHSA-cm9x-c3rh-7rc4
References
More Red Hat Openshift Container Platform For Arm64 vulnerabilities
- TI-2025-05441 Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2 CVSS 3.1HIGH 7.5
- TI-2026-03838 Libarchive: libarchive: information disclosure via heap out-of-bounds read in rar archive processing CVSS 3.1HIGH 7.5
- TI-2023-05177 Python-eventlet: patch regression for cve-2021-21419 in some red hat builds CVSS 3.1HIGH 7.5
- TI-2025-12426 Glib: integer overflow in in g_escape_uri_string() CVSS 3.1HIGH 7.7
- TI-2023-02895 Ocp & fips mode CVSS 3.1HIGH 7.5
- TI-2024-08977 Path traversal in containers/storage CVSS 3.1MEDIUM 6.5
Sources
- CVE-2022-4318 · CVE Program
- CVE-2022-4318 · NVD
- FIRST EPSS
- GHSA-cm9x-c3rh-7rc4 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-4318 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences