Description
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.
Published: 2025-09-16
Score: 7.4 High
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

Vendor Workaround

Avoid long-running build steps and overly permissive file permissions. Use RUN --mount=type=secret for sensitive data instead of bind mounts.

Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-29612 Podman Creates Temporary File with Insecure Permissions
Github GHSA Github GHSA GHSA-m68q-4hqr-mc6f Podman Creates Temporary File with Insecure Permissions
History

Wed, 14 Oct 2026 19:45:00 +0200

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4

Tue, 30 Jun 2026 12:45:00 +0200

Type Values Removed Values Added
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos

Thu, 25 Jun 2026 07:15:00 +0200

Type Values Removed Values Added
First Time appeared Redhat rhivos
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos

Thu, 15 Jan 2026 11:15:00 +0100

Type Values Removed Values Added
References

Thu, 08 Jan 2026 04:30:00 +0100

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.15::el9
References

Thu, 11 Dec 2025 12:00:00 +0100

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.14::el9
References

Thu, 11 Dec 2025 06:15:00 +0100

Type Values Removed Values Added
References

Thu, 11 Dec 2025 05:45:00 +0100

Type Values Removed Values Added
References

Fri, 05 Dec 2025 19:45:00 +0100

Type Values Removed Values Added
References

Wed, 03 Dec 2025 16:45:00 +0100

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.17::el9
References

Fri, 28 Nov 2025 14:15:00 +0100

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.13::el8
cpe:/a:redhat:openshift:4.13::el9
References

Fri, 21 Nov 2025 07:30:00 +0100

Type Values Removed Values Added
CPEs cpe:/o:redhat:enterprise_linux:8 cpe:/a:redhat:enterprise_linux:8::appstream
References

Mon, 10 Nov 2025 15:00:00 +0100

Type Values Removed Values Added
References

Thu, 16 Oct 2025 13:15:00 +0200

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.12::el8
cpe:/a:redhat:openshift:4.12::el9
References

Wed, 08 Oct 2025 18:15:00 +0200

Type Values Removed Values Added
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos

Wed, 01 Oct 2025 18:45:00 +0200

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.18::el8
cpe:/a:redhat:openshift:4.18::el9
References

Wed, 01 Oct 2025 17:00:00 +0200

Type Values Removed Values Added
CPEs cpe:/a:redhat:openshift:4.16::el8
cpe:/a:redhat:openshift:4.16::el9
References

Wed, 01 Oct 2025 15:45:00 +0200

Type Values Removed Values Added
First Time appeared Redhat rhivos
CPEs cpe:/o:redhat:rhivos:1
Vendors & Products Redhat rhivos

Wed, 17 Sep 2025 02:15:00 +0200

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 16 Sep 2025 19:15:00 +0200

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 16 Sep 2025 17:00:00 +0200

Type Values Removed Values Added
Description 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.
Title Podman: build context bind mount
First Time appeared Redhat
Redhat enterprise Linux
Redhat openshift
Weaknesses CWE-378
CPEs cpe:/a:redhat:openshift:4
cpe:/o:redhat:enterprise_linux:10
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
Redhat openshift
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}


Subscriptions

Redhat Enterprise Linux Openshift
cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-10-14T17:27:32.188Z

Reserved: 2025-05-19T11:55:32.522Z

Link: CVE-2025-4953

cve-icon Vulnrichment

Updated: 2025-09-16T16:15:18.848Z

cve-icon NVD

Status : Deferred

Published: 2025-09-16T15:15:45.313

Modified: 2026-10-14T18:17:07.320

Link: CVE-2025-4953

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-09-16T00:00:00Z

Links: CVE-2025-4953 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-05-01T08:30:10Z

Weaknesses
  • CWE-378

    Creation of Temporary File With Insecure Permissions