CVE-2024-46755

Kernel crash and memory corruption via stale pointer

Published Sep 18, 2024 · Updated Aug 5, 2026

Memory corruption in the Linux kernel mwifiex driver allows nearby unauthenticated attackers to crash the kernel via wireless frames. mwifiex_get_priv_by_id returns an unused priv object without verifying bss_mode, leaving wiphy absent and stale histogram pointers reachable. Exposure requires a Marvell mwifiex device in AP or hotspot mode, or a removed virtual interface; crafted 802.11 traffic can cause a panic, disclose reused heap data, or corrupt freed heap memory.

CVSS severity8.8
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Memory corruption in the Linux kernel mwifiex driver allows nearby unauthenticated attackers to crash the kernel via wireless frames. mwifiex_get_priv_by_id returns an unused priv object without verifying bss_mode, leaving wiphy absent and stale histogram pointers reachable. Exposure requires a Marvell mwifiex device in AP or hotspot mode, or a removed virtual interface; crafted 802.11 traffic can cause a panic, disclose reused heap data, or corrupt freed heap memory.

The record

CVE
CVE-2024-46755
Published
Sep 18, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
CWE-476, T1499
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 18, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.2
  2. Affected versionversion=93a1df48d224296fb527d32fbec4d5162828feb4 <1a05d8d02cfa3540ea5dbd6b39446bd3f515521f
  3. Affected versionversion=93a1df48d224296fb527d32fbec4d5162828feb4 <9813770f25855b866b8ead8155b8806b2db70f6d
  4. Affected versionversion=93a1df48d224296fb527d32fbec4d5162828feb4 <a12cf97cbefa139ef8d95081f2ea047cbbd74b7a
  5. Affected versionversion=93a1df48d224296fb527d32fbec4d5162828feb4 <c145eea2f75ff7949392aebecf7ef0a81c1f6c14
  6. Affected versionversion=93a1df48d224296fb527d32fbec4d5162828feb4 <c16916dd6c16fa7e13ca3923eb6b9f50d848ad03
  7. Affected versionversion=93a1df48d224296fb527d32fbec4d5162828feb4 <c2618dcb26c7211342b54520b5b148c0d3471c8a
  8. Affected versionversion=93a1df48d224296fb527d32fbec4d5162828feb4 <cb67b2e51b75f1a17bee7599c8161b96e1808a70
  9. Affected versionversion=93a1df48d224296fb527d32fbec4d5162828feb4 <d834433ff313838a259bb6607055ece87b895b66

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

The Linux Kernel Organization · Linuxversion=3.2; version=93a1df48d224296fb527d32fbec4d5162828feb4 <1a05d8d02cfa3540ea5dbd6b39446bd3f515521f; version=93a1df48d224296fb527d32fbec4d5162828feb4 <9813770f25855b866b8ead8155b8806b2db70f6d; version=93a1df48d224296fb527d32fbec4d5162828feb4 <a12cf97cbefa139ef8d95081f2ea047cbbd74b7a; version=93a1df48d224296fb527d32fbec4d5162828feb4 <c145eea2f75ff7949392aebecf7ef0a81c1f6c14; version=93a1df48d224296fb527d32fbec4d5162828feb4 <c16916dd6c16fa7e13ca3923eb6b9f50d848ad03; version=93a1df48d224296fb527d32fbec4d5162828feb4 <c2618dcb26c7211342b54520b5b148c0d3471c8a; version=93a1df48d224296fb527d32fbec4d5162828feb4 <cb67b2e51b75f1a17bee7599c8161b96e1808a70; version=93a1df48d224296fb527d32fbec4d5162828feb4 <d834433ff313838a259bb6607055ece87b895b66

Published CVSS scores

5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
8.8kernel.orgCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-476NULL Pointer Dereference
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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