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CVE Record

CVE-2022-49974: HID: nintendo: fix rumble worker null pointer deref

In the Linux kernel, the following vulnerability has been resolved: HID: nintendo: fix rumble worker null pointer deref We can dereference a null pointer trying to queue work to a destroyed workqueue. If the device is disconnected, nintendo_hid_remove is called, in which the rumble_queue is destroyed. Avoid using that queue to defer rumble work once the controller state is set to JOYCON_CTLR_STATE_REMOVED. This eliminates the null pointer dereference.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue can crash affected systems when Nintendo controller rumble work is queued after the controller removal path has destroyed its workqueue. The business risk appears limited to systems using the Nintendo HID driver, but crashes in kernel space can still affect availability.

Executive priority

Treat as low urgency for most enterprise server environments, but patch during normal kernel maintenance. Raise priority where affected Linux endpoints depend on availability and use Nintendo controller hardware.

Technical view

CVE-2022-49974 is a null pointer dereference in the Linux kernel HID Nintendo driver. During device disconnect, nintendo_hid_remove destroys rumble_queue. The fix prevents deferred rumble work after controller state becomes JOYCON_CTLR_STATE_REMOVED, avoiding use of a destroyed workqueue.

Likely exposure

Exposure is most plausible on Linux systems with affected kernels and Nintendo controller HID support in use. Typical servers without such peripherals are unlikely to be exposed based on the provided sources.

Exploitation context

The sources do not report active exploitation, public exploit code, CVSS, or KEV listing. The described impact is a null pointer dereference during disconnect and rumble handling, suggesting availability risk rather than confirmed privilege escalation.

Researcher notes

Evidence is limited to the CVE text and Linux stable commits. No CWE, CVSS vector, exploit status, or detailed affected-version matrix is provided. Avoid assuming remote reachability or privilege impact from the available sources.

Mitigation direction

  • Update to a vendor-supported kernel containing the referenced stable fixes.
  • Confirm your distribution has backported the HID Nintendo fix.
  • Prioritize affected desktops, kiosks, gaming systems, or test hosts using Nintendo controllers.
  • Check vendor advisories before applying kernel-specific operational mitigations.

Validation and detection

  • Inventory Linux kernel versions on systems using Nintendo HID controllers.
  • Confirm whether the hid-nintendo driver is present or loaded.
  • Review package changelogs for CVE-2022-49974 or the referenced fix commits.
  • Test controller disconnect and rumble behavior only in a controlled lab environment.
Prepared
Confidence
medium
Sources
4

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-2022-49974 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
3Source 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.

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux2af16c1f846bd60240745bbd3afa13d5f040c61a, 2af16c1f846bd60240745bbd3afa13d5f040c61aunaffected
LinuxLinux5.16, 0, 5.19.7, 6.0affected
Weakness

CWE details

No CWE listed

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