CVE-2025-39991
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-10-15

Last updated on: 2025-10-16

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix NULL dereference in ath11k_qmi_m3_load() If ab->fw.m3_data points to data, then fw pointer remains null. Further, if m3_mem is not allocated, then fw is dereferenced to be passed to ath11k_err function. Replace fw->size by m3_len. Found by Linux Verification Center (linuxtesting.org) with SVACE.
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Meta Information
Published
2025-10-15
Last Modified
2025-10-16
Generated
2026-06-16
AI Q&A
2025-10-15
EPSS Evaluated
2026-06-15
NVD
CVE-2025-39991
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability is a NULL pointer dereference in the Linux kernel's ath11k WiFi driver, specifically in the ath11k_qmi_m3_load() function. It occurs when the firmware pointer (fw) is null but is dereferenced because the m3_mem memory is not allocated, leading to a potential crash or instability in the system.

Impact Analysis

The impact of this vulnerability could be a system crash or instability due to the NULL pointer dereference in the WiFi driver, potentially causing denial of service or loss of network connectivity.

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