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CVE-2026-46163
published 2026-05-28

CVE-2026-46163: 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…

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.

Affected

10 ranges
VendorProductVersion rangeFixed in
linuxlinux——
linuxlinux>= 75388acd0cd827dc1498043daa7d1c760902cd67 < a92bd0503df2488f2cc040f329ebccff1c1934cba92bd0503df2488f2cc040f329ebccff1c1934cb
linuxlinux>= 75388acd0cd827dc1498043daa7d1c760902cd67 < df805c1d085b7a96077f0964185764c87060950ddf805c1d085b7a96077f0964185764c87060950d
linuxlinux>= 75388acd0cd827dc1498043daa7d1c760902cd67 < 4242db36de99de734cc1f60e5edd86cda7e598c64242db36de99de734cc1f60e5edd86cda7e598c6
linuxlinux>= 75388acd0cd827dc1498043daa7d1c760902cd67 < 1baaeb6adecb9691748c0253dab6ddd19a2b4e9e1baaeb6adecb9691748c0253dab6ddd19a2b4e9e
linuxlinux>= 75388acd0cd827dc1498043daa7d1c760902cd67 < 6ee946077607d7783ae6709a899213fc4fe08f356ee946077607d7783ae6709a899213fc4fe08f35
linuxlinux>= 75388acd0cd827dc1498043daa7d1c760902cd67 < 9d1bc155802943e92c57a5fb923d23edfbf0b5259d1bc155802943e92c57a5fb923d23edfbf0b525
linuxlinux>= 75388acd0cd827dc1498043daa7d1c760902cd67 < fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5fdd4e51979f42ca8b1ab7e6176b607e1caabf2a5
linuxlinux>= 75388acd0cd827dc1498043daa7d1c760902cd67 < a035766f970bde2d4298346a31a80685be5c0205a035766f970bde2d4298346a31a80685be5c0205
linuxlinux_kernel——