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CVE-2025-39991 Not scored

wifi: ath11k: fix NULL dereference in ath11k_qmi_m3_load()

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.

Exploit probability 0.2%
Published October 15, 2025
Required by Not available
Last source change July 15, 2026

02 / AFFECTED SOFTWARE

Affected packages

Linux Kernel
Unknown Unknown

03 / CONNECTIONS

Connected vulnerabilities

related OPENSUSE-SU-2025:15671-1
related OPENSUSE-SU-2025:20091-1
related OPENSUSE-SU-2026:10301-1
related SUSE-SU-2025:21040-1
related SUSE-SU-2025:21052-1
related SUSE-SU-2025:21056-1
related SUSE-SU-2025:21064-1
related SUSE-SU-2025:21080-1
related SUSE-SU-2025:21147-1
related SUSE-SU-2025:21180-1
related SUSE-SU-2025:4057-1
related SUSE-SU-2025:4128-1
related SUSE-SU-2025:4132-1
related SUSE-SU-2025:4140-1
related SUSE-SU-2025:4141-1
related SUSE-SU-2025:4301-1

04 / EVIDENCE

Source records

Open Source Vulnerabilities CVE-2025-39991

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.

View original source

05 / REFERENCES

Further evidence