Security readout for executives and security teams
Plain-English summary
Podman may mishandle supplementary Linux groups inside containers. If an attacker already has access to an affected container and can run code there, they may read sensitive information or modify data protected by group-based permissions.
Executive priority
Treat as high priority for environments using Podman with group-based access controls inside containers. Urgency is lower where containers are single-purpose, trusted, and do not expose sensitive group-protected resources.
Technical view
CVE-2022-2989 is a Podman supplementary-group handling flaw mapped to CWE-842. The CVSS 3.1 vector is local, low complexity, low privileges, no user interaction, with high confidentiality and integrity impact and no availability impact.
Likely exposure
Exposure is most likely where Podman containers rely on supplementary groups to enforce file or data access boundaries, especially multi-user or semi-trusted container workloads. The source bundle lists no fixed version known.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. Exploitation requires direct access to the affected container and the ability to execute binary code inside it.
Researcher notes
The public record is concise and does not name a fixed version. Analysis should focus on supplementary group propagation, container access assumptions, and whether group-based permissions protect sensitive files or writable data paths.
Mitigation direction
- Review Red Hat Bugzilla and Podman vendor guidance for current fixed builds or mitigations.
- Avoid relying on supplementary groups as the sole access boundary inside affected containers.
- Reduce direct shell or code execution access in containers using group-based permissions.
- Audit sensitive files and mounted volumes protected by supplementary group membership.
- Prioritize runtime updates once vendor-confirmed fixed packages are identified.
Validation and detection
- Inventory Podman deployments and record versions in production and development environments.
- Identify containers where supplementary groups are used for access permissions.
- Check whether untrusted users or workloads can execute code inside those containers.
- Review mounted volumes and sensitive paths protected by group permissions.
- Track vendor advisories for a confirmed fixed version or documented workaround.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-842: 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.
Open ATT&CK lookupContainer behavior lookup
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.
Open ATT&CK lookupCVE-2022-2989 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N1.85.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.1HighVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://bugzilla.redhat.com/show_bug.cgi?id=2121445CVE reference · x_refsource_MISC
- https://www.benthamsgaze.org/2022/08/22/vulnerability-in-linux-containers-investigation-and-mitigation/CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Placement of User into Incorrect Group
Placement of User into Incorrect Group represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.