https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-03T07:26:38.360223+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2026-74409 CVE-2026-74409 — wifi: rtw89: add bounds check on firmware mac_id in link lookup 2026-10-03T07:26:38.362288+00:00

Affected: Linux

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

wifi: rtw89: add bounds check on firmware mac_id in link lookup

The mac_id field in RX descriptors is 8 bits wide (0-255), but assoc_link_on_macid[] has only RTW89_MAX_MAC_ID_NUM (128) entries. While the driver currently assigns mac_id values below 128, the descriptor value comes from firmware and is not validated before use as an array index. Add a defensive bounds check in rtw89_assoc_link_rcu_dereference() to guard against out-of-range firmware values.