CVE-2026-43113
HIGHwifi: wl1251: validate packet IDs before indexing tx_frames
Title source: cnaDescription
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 (5)
Core 5
Core References
Scores
CVSS v3
8.8
EPSS
0.0002
EPSS Percentile
6.3%
Attack Vector
ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-476
Status
published
Products (19)
Linux/Linux
< 2.6.31
Linux/Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0
Linux/Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 26ee518695c484f75e3606d631278e84bd24ae02
Linux/Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - 8d7465be5163a923ee5d7459719ef5a021c1584a
Linux/Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - b6ba1eacf276063ebeefbbae8056043c24f2efaf
Linux/Linux
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 - df15adc692a802636dd3f258fc7cca8bf7a0ed9a
Linux/Linux
2.6.31
Linux/Linux
2f01a1f58889fbfeb68b1bc1b52e4197f3333490 - 0fd56fad9c56356e7fa7a7c52e7ecbf807a44eb0
Linux/Linux
2f01a1f58889fbfeb68b1bc1b52e4197f3333490 - 26ee518695c484f75e3606d631278e84bd24ae02
Linux/Linux
2f01a1f58889fbfeb68b1bc1b52e4197f3333490 - 8d7465be5163a923ee5d7459719ef5a021c1584a
... and 9 more
Published
May 06, 2026
Tracked Since
May 06, 2026