wifi: b43legacy: enforce bounds check on firmware key index in RX path

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-46163 · Microsoft / collected KEV context

cve-program · CVE-2026-46163

• https://git.kernel.org/stable/c/a92bd0503df2488f2cc040f329ebccff1c1934cb
• https://git.kernel.org/stable/c/df805c1d085b7a96077f0964185764c87060950d
• https://git.kernel.org/stable/c/4242db36de99de734cc1f60e5edd86cda7e598c6
• 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/fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5
• https://git.kernel.org/stable/c/a035766f970bde2d4298346a31a80685be5c0205

No related operational record is retained in the current change model.