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CVE PROGRAM SOURCE RECORD8.8 High

CVE-2026-43113

wifi: wl1251: validate packet IDs before indexing tx_frames

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 to < 6509dbece7339dbc8980c706b9d623119a6de105affected
  • 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 to < a8a11a876f0a97061ee5d9e61d0f5a0df7e241c7affected
  • 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 to < e0dc1ad870d6788b049bfe1511ac75b2333a7550affected
  • 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 to < b6ba1eacf276063ebeefbbae8056043c24f2efafaffected
  • 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 to < df15adc692a802636dd3f258fc7cca8bf7a0ed9aaffected
  • 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 to < 8d7465be5163a923ee5d7459719ef5a021c1584aaffected
  • 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 to < 26ee518695c484f75e3606d631278e84bd24ae02affected
  • 2f01a1f58889fbfeb68b1bc1b52e4197f3333490 to < 0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0affected

Linux Linux

Default version status: affected

  • 2.6.31affected
  • 0 to < 2.6.31unaffected
  • 5.10.258 to ≤ 5.10.*unaffected
  • 5.15.209 to ≤ 5.15.*unaffected
  • 6.1.175 to ≤ 6.1.*unaffected
  • 6.6.136 to ≤ 6.6.*unaffected
  • 6.12.83 to ≤ 6.12.*unaffected
  • 6.18.24 to ≤ 6.18.*unaffected
  • 6.19.14 to ≤ 6.19.*unaffected
  • 7.0 to ≤ *unaffected

References