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CVE Record

CVE-2024-42225: wifi: mt76: replace skb_put with skb_put_zero

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: replace skb_put with skb_put_zero Avoid potentially reusing uninitialized data

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 Wi-Fi driver issue where the mt76 driver could reuse uninitialized memory. The public record does not provide CVSS, confirmed impact details, or active exploitation evidence. Business urgency is mainly patch hygiene for Linux systems using affected MediaTek Wi-Fi support.

Executive priority

Treat as a targeted kernel maintenance item, not an emergency based on current evidence. Prioritize patching laptops, embedded devices, or appliances with MediaTek Wi-Fi support, and roll into normal kernel update cycles unless vendor guidance escalates risk.

Technical view

The fix replaces skb_put with skb_put_zero in the mt76 Wi-Fi driver to avoid potentially reusing uninitialized data. The CVE record lists Linux as affected across kernel versions and references stable kernel commits plus a Debian LTS advisory. Exposure depends on using the affected kernel code path and driver.

Likely exposure

Most relevant exposure is Linux endpoints, appliances, or embedded systems with MediaTek mt76 Wi-Fi driver support in affected kernel builds. Servers without this driver or hardware are less likely exposed, but kernel configuration and loaded modules should be verified.

Exploitation context

The source bundle marks KEV as false and provides no cited evidence of active exploitation, public exploit tooling, or weaponized attacks. The available description only states a resolved uninitialized-data reuse risk.

Researcher notes

Evidence is sparse: no CVSS, CWE, exploit status, or detailed trigger conditions are included. Analysis should stay close to the kernel commits and distro advisories. Avoid assuming remote exploitability or confidentiality impact beyond the stated uninitialized-data reuse concern.

Mitigation direction

  • Update to a vendor kernel package containing the referenced stable fixes.
  • Prioritize Linux assets using MediaTek mt76 Wi-Fi hardware or driver support.
  • Check Debian LTS and other distro advisories for packaged remediation status.
  • Follow vendor guidance if a patched kernel is not yet available.

Validation and detection

  • Inventory systems with Linux kernels in the affected version ranges.
  • Confirm whether mt76 driver support is present or loaded.
  • Verify the running kernel package includes the relevant stable commit fix.
  • Check scanner findings against vendor advisory status and package versions.
Prepared
Confidence
medium
Sources
8

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-2024-42225 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
7Source 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
LinuxLinux7bc04215a66b60e198aecaee8418f6d79fa19faa, 7bc04215a66b60e198aecaee8418f6d79fa19faa, 7bc04215a66b60e198aecaee8418f6d79fa19faa, 7bc04215a66b60e198aecaee8418f6d79fa19faa, 7bc04215a66b60e198aecaee8418f6d79fa19faaunaffected
LinuxLinux4.16, 0, 5.15.163, 6.1.98, 6.6.39, 6.9.9, 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.