CVE-2026-43113

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: wl1251: validate packet IDs before indexing tx_frames wl1251_tx_packet_cb() uses the firmware completion ID directly to index the fixed 16-entry wl->tx_frames[] array. The ID is a raw u8 from the completion block, and the callback does not currently verify that it fits the array before dereferencing it. Reject completion IDs that fall outside wl->tx_frames[] and keep the existing NULL check in the same guard. This keeps the fix local to the trust boundary and avoids touching the rest of the completion flow.

References

• https://git.kernel.org/stable/c/0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0
• https://git.kernel.org/stable/c/26ee518695c484f75e3606d631278e84bd24ae02
• https://git.kernel.org/stable/c/8d7465be5163a923ee5d7459719ef5a021c1584a
• https://git.kernel.org/stable/c/b6ba1eacf276063ebeefbbae8056043c24f2efaf
• https://git.kernel.org/stable/c/df15adc692a802636dd3f258fc7cca8bf7a0ed9a