CVE-2026-43267

wifi: rtw89: fix potential zero beacon interval in beacon tracking

Published: 5/6/2026 Last updated: 5/11/2026 Reserved: 5/1/2026

In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: fix potential zero beacon interval in beacon tracking During fuzz testing, it was discovered that bss_conf->beacon_int might be zero, which could result in a division by zero error in subsequent calculations. Set a default value of 100 TU if the interval is zero to ensure stability.

CNA assigner: Linux (416baaa9-dc9f-4396-8d5f-8c081fb06d67) Requested by: n/a

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (4)

Product	Vendor	Version
Linux	Linux	8.10.1
Linux	Linux	8.10.2
Linux	Linux	n/a
Linux	Linux	n/a

CVE-2026-43267

wifi: rtw89: fix potential zero beacon interval in beacon tracking

Opam packages affected (29)

Products affected (4)

References (6)