CVE-2025-39991: Linux

EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• Linux Linux: from 6.7, before 6.12.51 (fixed in 6.12.51); from 6.13, before 6.16.11 (fixed in 6.16.11); from 6.17, before 6.17.1 (fixed in 6.17.1)

Published 2025-10-15. Last modified 2026-09-14.