CVE-2023-53575: wifi: iwlwifi: mvm: fix potential array out of bounds access

Severity: high (CVSS 7.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-04 · updated 2026-06-17
Weakness: CWE-125

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: fix potential array out of bounds access Account for IWL_SEC_WEP_KEY_OFFSET when needed while verifying key_len size in iwl_mvm_sec_key_add().

Affected products

Linux kernel: from 6.2 before 6.4.7 — fixed in 6.4.7

How to fix

Upgrade to a fixed version: Linux kernel 6.4.7. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/133b1cd4d98bb8b272335c8e6b0e0c399c0b2ffa
https://git.kernel.org/stable/c/637452360ecde9ac972d19416e9606529576b302

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