CVE-2024-40929

wifi: iwlwifi: mvm: check n_ssids before accessing the ssids

Published Jul 12, 2024 · Updated Aug 5, 2026

In the Linux kernel, the following vulnerability has been resolved:

CVSS severityUnavailable
Unscored
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

In the Linux kernel, the following vulnerability has been resolved:

wifi: iwlwifi: mvm: check n_ssids before accessing the ssids

In some versions of cfg80211, the ssids poinet might be a valid one even though n_ssids is 0. Accessing the pointer in this case will cuase an out-of-bound access. Fix this by checking n_ssids first.

The record

CVE
CVE-2024-40929
Published
Jul 12, 2024
Updated
Aug 5, 2026
Vendor
The Linux Kernel Organization
Product
Linux
Classifications
Unavailable
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Jul 12, 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=4.17
  2. Affected versionversion=c1a7515393e403758a684fd0a2372af466675b15 <29a18d56bd64b95bd10bda4afda512558471382a
  3. Affected versionversion=c1a7515393e403758a684fd0a2372af466675b15 <3c4771091ea8016c8601399078916f722dd8833b
  4. Affected versionversion=c1a7515393e403758a684fd0a2372af466675b15 <60d62757df30b74bf397a2847a6db7385c6ee281
  5. Affected versionversion=c1a7515393e403758a684fd0a2372af466675b15 <62e007bdeb91c6879a4652c3426aef1cd9d2937b
  6. Affected versionversion=c1a7515393e403758a684fd0a2372af466675b15 <9e719ae3abad60e245ce248ba3f08148f375a614
  7. Affected versionversion=c1a7515393e403758a684fd0a2372af466675b15 <f777792952d03bbaf8329fdfa99393a5a33e2640

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

The Linux Kernel Organization · Linuxversion=4.17; version=c1a7515393e403758a684fd0a2372af466675b15 <29a18d56bd64b95bd10bda4afda512558471382a; version=c1a7515393e403758a684fd0a2372af466675b15 <3c4771091ea8016c8601399078916f722dd8833b; version=c1a7515393e403758a684fd0a2372af466675b15 <60d62757df30b74bf397a2847a6db7385c6ee281; version=c1a7515393e403758a684fd0a2372af466675b15 <62e007bdeb91c6879a4652c3426aef1cd9d2937b; version=c1a7515393e403758a684fd0a2372af466675b15 <9e719ae3abad60e245ce248ba3f08148f375a614; version=c1a7515393e403758a684fd0a2372af466675b15 <f777792952d03bbaf8329fdfa99393a5a33e2640

Published CVSS scores

No CVSS assessment is available in this record.

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

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

Weakness, pattern, technique

No sourced classifications are available.

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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