Review reviewHigh

CVE-2025-4953

Red Hat Red Hat Enterprise Linux 8, Red Hat OpenShift Container Platform 4.12, Red Hat OpenShift Container Platform 4.13

A flaw was found in Podman. In a Containerfile or Podman, data written to RUN --mount=type=bind mounts during the podman build is not discarded. This issue can lead to files created within the container appearing in the temporary build context directory on the host, leaving the created files accessible.

CVSS: 7.4
EPSS: 0.60%
CISA KEV: Not listed
Published: 2025.09.17

PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV

Exploit probability0.60%

Technical severityCVSS 7.4

Vulnerability overview

Affected product and versions

Product: Red Hat Red Hat Enterprise Linux 8, Red Hat OpenShift Container Platform 4.12, Red Hat OpenShift Container Platform 4.13
Affected versions: See the vendor advisory and NVD configuration data
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

1
Identify
Confirm that Red Hat Red Hat Enterprise Linux 8, Red Hat OpenShift Container Platform 4.12, Red Hat OpenShift Container Platform 4.13 and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE: CWE-378