A flaw was found in Podman. The podman machine init command fails to verify the TLS certificate when downloading the VM images from an OCI registry. This issue results in a Man In The Middle attack.
Security readout for executives and security teams
Plain-English summary
Podman may fail to check the TLS certificate when `podman machine init` downloads VM images from an OCI registry. A person able to intercept that network traffic could substitute or tamper with the downloaded image, creating a high-impact supply-chain risk during machine setup.
Executive priority
Prioritize remediation for developer workstations, CI hosts, and OpenShift/RHEL environments that initialize Podman machines. The main business risk is trusted tooling accepting tampered VM images during setup.
Technical view
CVE-2025-6032 is a CWE-295 certificate validation flaw in Podman’s VM image download path for `podman machine init`. The CVSS 3.1 score is 8.3 with user interaction required and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely where teams initialize Podman machines and fetch VM images over networks where interception is plausible. The bundle lists affected Red Hat Enterprise Linux, OpenShift Container Platform, Podman, and RHCOS package streams; non-Red Hat exposure is not fully detailed.
Exploitation context
The bundle describes a man-in-the-middle condition, but does not cite active exploitation. KEV is false, so treat this as high risk without claiming known exploitation in the wild.
Researcher notes
The key condition is missing TLS verification during OCI registry image download for Podman machine initialization. Source evidence supports MITM impact but does not provide exploit details or observed exploitation. Patch status should be confirmed from Red Hat advisories and the Podman GHSA/commit.
Mitigation direction
Review the Red Hat CVE page and relevant RHSA advisories for vendor-approved updates.
Update affected Podman, RHCOS, RHEL, and OpenShift packages through supported vendor channels.
Avoid running `podman machine init` on untrusted or interceptable networks until remediated.
Verify VM image provenance using vendor-recommended controls where available.
Validation and detection
Inventory systems using Podman and identify package versions matching the affected streams.
Check whether `podman machine init` is used in developer workstations or automation.
Confirm applicable Red Hat advisories are installed on RHEL and OpenShift assets.
Review build or provisioning logs for Podman machine image downloads.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · low confidence lookup
CWE-295: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
5Timeline events
1ADP providers
18Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-295 · source CWE mapping
Improper Certificate Validation
Improper Certificate Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.