CVE-2026-46163

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: b43legacy: enforce bounds check on firmware key index in RX path Same fix as b43: the firmware-controlled key index in b43legacy_rx() can exceed dev->max_nr_keys. The existing B43legacy_WARN_ON is non-enforcing in production builds, allowing an out-of-bounds read of dev->key[]. Make the check enforcing by dropping the frame for invalid indices.

References

• https://git.kernel.org/stable/c/1baaeb6adecb9691748c0253dab6ddd19a2b4e9e
• https://git.kernel.org/stable/c/6ee946077607d7783ae6709a899213fc4fe08f35
• https://git.kernel.org/stable/c/9d1bc155802943e92c57a5fb923d23edfbf0b525
• https://git.kernel.org/stable/c/a035766f970bde2d4298346a31a80685be5c0205
• https://git.kernel.org/stable/c/fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5