CVE-2026-93166: wifi: rtw89: debug: fix off by on in rtw89_ppdu_str()
Published Sep 17, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
wifi: rtw89: debug: fix off by on in rtw89ppdustr()
This > comparison should be >= to avoid an out of bounds access.
Affected Software
1 affected component
Linux Kernel
Event History
Sep 17, 2026
CVE Published
via MITRE·04:11 PM
Data Sourced
via MITRE·04:11 PM
Description
Frequently Asked Questions
1
What systems are exposed to this issue?
Systems running a Linux kernel with the rtw89 Wi-Fi driver and the affected debug code are exposed. The issue is an out-of-bounds access in rtw89_ppdu_str().
2
What is the remediation?
Apply a kernel update containing the fix that changes the relevant bounds comparison from > to >=. The referenced stable commits are 876b110114da39cfcf07cd35e2e6213ef6982e4b and 1908534deb53a018580309be84a4f7dcc9cb1af3.