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CVE Record

CVE-2022-50309: media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init

In the Linux kernel, the following vulnerability has been resolved: media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2022-50309 is a Linux kernel resource leak in the Xilinx VIPP media driver. The bug leaves a device-tree node reference unreleased during DMA graph initialization. The public record does not provide CVSS, impact detail, or evidence of active exploitation, so urgency depends on whether affected Xilinx media functionality is present.

Executive priority

Treat this as routine kernel hygiene unless Xilinx media hardware is business-critical or widely deployed. The public evidence supports patch tracking, not emergency response.

Technical view

In xvip_graph_dma_init, of_get_child_by_name() increments a node reference count. The fix adds of_node_put() when the node is no longer needed, preventing a refcount leak. The CVE record lists multiple affected Linux kernel version ranges and stable kernel commits resolving the issue.

Likely exposure

Exposure appears most likely on Linux systems using the Xilinx VIPP media driver, especially embedded or video-processing platforms with relevant device-tree configuration. Generic Linux servers without this driver or hardware path are less likely to be exposed.

Exploitation context

The provided sources do not show active exploitation, public exploit availability, KEV listing, or a detailed attacker model. The observable issue is a kernel reference-count leak, not a disclosed privilege-escalation or remote-code-execution path.

Researcher notes

The record is sparse: no CVSS, CWE, exploit status, or operational impact is provided. Analysis should focus on affected kernel branches, driver reachability, and whether device-tree paths can repeatedly trigger xvip_graph_dma_init.

Mitigation direction

  • Update to a Linux kernel build containing the referenced stable fix.
  • Prioritize systems using Xilinx VIPP media or related embedded video pipelines.
  • Check distribution or hardware vendor advisories for packaged fixed kernels.
  • Include this CVE in normal kernel maintenance if exposure is uncertain.

Validation and detection

  • Inventory kernel versions against the affected versions in the CVE record.
  • Confirm whether the Xilinx VIPP media driver is built or loaded.
  • Verify the kernel source includes the added of_node_put() fix.
  • Check vendor kernel changelogs for the referenced stable commit IDs.
Prepared
Confidence
medium
Sources
11

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

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CVE-2022-50309 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
10Source 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
LinuxLinuxdf3305156f989339529b3d6744b898d498fb1f7b, df3305156f989339529b3d6744b898d498fb1f7b, df3305156f989339529b3d6744b898d498fb1f7b, df3305156f989339529b3d6744b898d498fb1f7b, df3305156f989339529b3d6744b898d498fb1f7b, df3305156f989339529b3d6744b898d498fb1f7b, df3305156f989339529b3d6744b898d498fb1f7b, df3305156f989339529b3d6744b898d498fb1f7b, df3305156f989339529b3d6744b898d498fb1f7bunaffected
LinuxLinux4.1, 0, 4.9.331, 4.14.296, 4.19.262, 5.4.220, 5.10.150, 5.15.75, 5.19.17, 6.0.3, 6.1affected
Weakness

CWE details

No CWE listed

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