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CVE Record

CVE-2024-38609: wifi: mt76: connac: check for null before dereferencing

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: connac: check for null before dereferencing The wcid can be NULL. It should be checked for validity before dereferencing it to avoid crash.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2024-38609 is a Linux kernel Wi-Fi driver bug. In the mt76 Connac code, the kernel could dereference a NULL value and crash. The business impact is likely availability disruption on systems using the affected MediaTek mt76 Wi-Fi driver, not confirmed data theft or remote code execution.

Executive priority

Treat as a targeted availability risk for Linux endpoints or devices using affected Wi-Fi hardware. Prioritize patching where Wi-Fi availability matters operationally; broader enterprise urgency is lower unless this driver is widely deployed.

Technical view

The issue is a missing NULL check before dereferencing wcid in Linux kernel wifi/mt76/connac code. The public record says this was resolved by validating wcid before use. CVSS, CWE, and detailed attack prerequisites are not provided in the source bundle.

Likely exposure

Exposure appears limited to Linux systems running affected kernel builds with the mt76 Connac Wi-Fi driver present and in use. The supplied version metadata is incomplete, so validate against kernel vendor advisories and the referenced stable commits.

Exploitation context

No active exploitation is stated in the supplied sources, and the CVE is not marked KEV. The described outcome is a kernel crash from NULL pointer dereference, suggesting denial of service if an attacker can trigger the vulnerable path.

Researcher notes

The public description is sparse: no CVSS, no CWE, no exploitability detail. Analysis should focus on commit review, affected kernel backports, driver reachability, and whether untrusted wireless activity can reach the corrected code path.

Mitigation direction

  • Review Linux distribution advisories for CVE-2024-38609.
  • Update to a kernel containing the referenced stable fixes.
  • Prioritize systems using MediaTek mt76 Connac Wi-Fi hardware.
  • If patching is delayed, assess whether the mt76 driver can be disabled safely.

Validation and detection

  • Inventory Linux hosts with mt76 or Connac Wi-Fi hardware.
  • Check running kernel versions against vendor guidance.
  • Confirm whether the referenced fix commits are present in your kernel source or package changelog.
  • Monitor for kernel crash reports involving mt76 Connac code.
Prepared
Confidence
medium
Sources
4

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-2024-38609 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
2ADP providers
3Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

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.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux098428c400ff2d0f32b7cc0dc003c8da4b69908d, 098428c400ff2d0f32b7cc0dc003c8da4b69908dunaffected
LinuxLinux6.9, 0, 6.9.3, 6.10affected
Weakness

CWE details

No CWE listed

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