PT-2026-44245 · Linux · Linux

Published 2026-05-28 · Updated 2026-05-28 · CVE-2026-46122

NVD

In the Linux kernel, the following vulnerability has been resolved:

wifi: b43: enforce bounds check on firmware key index in b43 rx()

The firmware-controlled key index in b43 rx() can exceed the dev->key[] array size (58 entries). The existing B43 WARN ON is non-enforcing in production builds, allowing an out-of-bounds read.

Make the B43 WARN ON check enforcing by dropping the frame when the firmware returns an invalid key index.

Related Identifiers

CVE-2026-46122

Affected Products

Linux

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-46122 · Security Note
• https://git.kernel.org/stable/c/219ba67e69e49681e48c822d6eaafb5def032f34 · Note
• https://git.kernel.org/stable/c/1e9e55cf66f0fa4799f4d86ef3aaba8e606b5c14 · Note
• https://git.kernel.org/stable/c/1f4f78bf8549e6ac4f04fba4176854f3a6e0c332 · Note
• https://git.kernel.org/stable/c/c3d7b90dc95020cd9282c4630e402fe224f7644e · Note
• https://git.kernel.org/stable/c/d7029879bafdac2006c67553807d122283dc6cbf · Note