What’s Vulnerable › Vulnerabilities

CVE-2025-4953: Podman: build context bind mount

• Severity: high (CVSS 7.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-16 · updated 2026-10-14
• Weakness: CWE-378

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.

Affected products

• Red Hat OpenShift Container Platform 4.18: all versions — fixed in 418.94.202512022246-0, 5:5.2.2-2.rhaos4.18.el8
• Red Hat Enterprise Linux 8: all versions — fixed in 8100020250911075811.afee755d
• Red Hat OpenShift Container Platform 4.12: all versions — fixed in 3:4.2.0-15.rhaos4.12.el9, 412.86.202601061735-0
• Red Hat OpenShift Container Platform 4.13: all versions — fixed in 0:1.26.0-7.el8, 0:1.26.5-26.rhaos4.13.giteb3d487.el8, 0:2.15.0-10.rhaos4.13.el9, 0:2.2.24-5.rhaos4.13.el8, 0:4.13.0-202410181847.p0.g1397e80.assembly.stream.el8, 0:4.13.0-202410181847.p0.g36754b7.assembly.stream.el8
• Red Hat OpenShift Container Platform 4.14: all versions — fixed in 414.92.202512031525-0
• Red Hat OpenShift Container Platform 4.15: all versions — fixed in 415.92.202512100122-0
• Red Hat OpenShift Container Platform 4.16: all versions — fixed in 416.94.202512030118-0, 4:4.9.4-16.rhaos4.16.el8
• Red Hat OpenShift Container Platform 4.17: all versions — fixed in 417.94.202511260612-0

How to fix

Upgrade to a fixed version: Red Hat OpenShift Container Platform 4.18 418.94.202512022246-0, 5:5.2.2-2.rhaos4.18.el8; Red Hat Enterprise Linux 8 8100020250911075811.afee755d; Red Hat OpenShift Container Platform 4.12 3:4.2.0-15.rhaos4.12.el9, 412.86.202601061735-0; Red Hat OpenShift Container Platform 4.13 0:1.26.0-7.el8, 0:1.26.5-26.rhaos4.13.giteb3d487.el8, 0:2.15.0-10.rhaos4.13.el9, 0:2.2.24-5.rhaos4.13.el8; Red Hat OpenShift Container Platform 4.14 414.92.202512031525-0; Red Hat OpenShift Container Platform 4.15 415.92.202512100122-0; Red Hat OpenShift Container Platform 4.16 416.94.202512030118-0, 4:4.9.4-16.rhaos4.16.el8; Red Hat OpenShift Container Platform 4.17 417.94.202511260612-0. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/errata/RHSA-2024:8690
• https://access.redhat.com/errata/RHSA-2025:15904
• https://access.redhat.com/errata/RHSA-2025:16724
• https://access.redhat.com/errata/RHSA-2025:16729
• https://access.redhat.com/errata/RHSA-2025:17669
• https://access.redhat.com/errata/RHSA-2025:22265
• https://access.redhat.com/errata/RHSA-2025:22275
• https://access.redhat.com/errata/RHSA-2025:22695
• https://access.redhat.com/errata/RHSA-2025:22724
• https://access.redhat.com/errata/RHSA-2025:22732
• https://access.redhat.com/errata/RHSA-2025:23113
• https://access.redhat.com/errata/RHSA-2025:2703

Get alerted when CVE-2025-4953 or the next vulnerability affects your stack