CVE-2025-4953: Red Hat Enterprise Linux 8 podman · Creation of Temporary File With Insecure Permissions
Affects Red Hat Enterprise Linux 8 podmanSource CVE Database V5
Not known to be exploited · CVSS 7.4 High.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 50% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 16 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| podman | Affected
| Fixed in– |
GitHubpodmanpkg:github/podmanOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released official security updates that address this vulnerability. Users of Red Hat OpenShift Container Platform 4.13 and container-tools modules for RHEL 8 should apply the updated packages and container images as provided in advisories RHSA-2024:8690 and RHSA-2025:15904. Instructions for upgrading clusters and applying updates are available in the Red Hat documentation. Patch status is confirmed; applying these updates fully mitigates the issue.
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.
References
- access.redhat.com/errata/RHSA-2024:8690 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:15904 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:16724 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:16729 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:17669 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:22265 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:22275 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:22695 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:22724 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:22732 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:23113 (opens in a new tab)
- access.redhat.com/errata/RHSA-2025:2703 (opens in a new tab)
- access.redhat.com/errata/RHSA-2026:0316 (opens in a new tab)
- access.redhat.com/security/cve/CVE-2025-4953 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2367235 (opens in a new tab)
- github.com/containers/podman/pull/25173 (opens in a new tab)