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CVE Record

CVE-2023-54183: media: v4l2-core: Fix a potential resource leak in v4l2_fwnode_parse_link()

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: Fix a potential resource leak in v4l2_fwnode_parse_link() If fwnode_graph_get_remote_endpoint() fails, 'fwnode' is known to be NULL, so fwnode_handle_put() is a no-op. Release the reference taken from a previous fwnode_graph_get_port_parent() call instead. Also handle fwnode_graph_get_port_parent() failures. In order to fix these issues, add an error handling path to the function and the needed gotos.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel media subsystem flaw involving incorrect cleanup after an error. The public record describes a potential resource leak, which most directly suggests stability or availability risk rather than data theft. The provided sources do not include CVSS, CWE, distro advisories, or evidence of exploitation.

Executive priority

Treat as routine kernel maintenance unless the organization relies heavily on Linux media, camera, or embedded device fleets. Lack of CVSS and exploitation evidence prevents a higher urgency rating from the provided sources alone.

Technical view

In v4l2_fwnode_parse_link(), a reference from fwnode_graph_get_port_parent() may not be released when fwnode_graph_get_remote_endpoint() fails. The fix adds an error-handling path, releases the correct reference, and handles fwnode_graph_get_port_parent() failures.

Likely exposure

Exposure is likely limited to Linux systems running affected kernel versions with relevant V4L2/media fwnode graph code paths. The bundle lists Linux kernel versions including 4.13 through 6.6 ranges, but does not map distro package versions or hardware requirements.

Exploitation context

The source bundle does not show active exploitation, public exploit availability, or CISA KEV listing. Practical exploitability is unclear from the provided record because the described issue is a potential resource leak in kernel media parsing logic.

Researcher notes

The record is sparse: no CVSS, CWE, repro details, or exploitability analysis are provided. Analysis should focus on commit ancestry, downstream backports, and whether target kernels exercise v4l2_fwnode_parse_link() with firmware graph endpoints.

Mitigation direction

  • Update to a vendor kernel containing the referenced stable fixes.
  • Check Linux distribution advisories for exact patched package versions.
  • Prioritize embedded, camera, and media-device systems using V4L2 paths.
  • Track vendor guidance if running custom or downstream kernels.

Validation and detection

  • Inventory deployed Linux kernel versions across affected systems.
  • Confirm kernels include one referenced stable commit or later equivalent fix.
  • Map distro package versions back to upstream patched kernels.
  • Identify systems with V4L2/media hardware or enabled kernel support.
Prepared
Confidence
medium
Sources
10

Public sources used

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

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CVE-2023-54183 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

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.

0CVSS vectors
3Timeline events
0ADP providers
9Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxca50c197bd9610ea984cfc0dc6855f183cbb46f8, ca50c197bd9610ea984cfc0dc6855f183cbb46f8, ca50c197bd9610ea984cfc0dc6855f183cbb46f8, ca50c197bd9610ea984cfc0dc6855f183cbb46f8, ca50c197bd9610ea984cfc0dc6855f183cbb46f8, ca50c197bd9610ea984cfc0dc6855f183cbb46f8, ca50c197bd9610ea984cfc0dc6855f183cbb46f8, ca50c197bd9610ea984cfc0dc6855f183cbb46f8unaffected
LinuxLinux4.13, 0, 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.53, 6.4.16, 6.5.3, 6.6affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.