{"id":"CVE-2026-74408","summary":"wifi: ath9k: fix OOB access from firmware tx status queue ID","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath9k: fix OOB access from firmware tx status queue ID\n\nath_tx_edma_tasklet() accesses sc-\u003etx.txq[ts.qid] where ts.qid is a\n4-bit hardware field (0-15), but the txq array only has\nATH9K_NUM_TX_QUEUES (10) entries. A qid \u003e= 10 causes an OOB array\naccess.\n\nAdd a bounds check on ts.qid before using it as an array index.","modified":"2026-08-16T03:48:35.064716684Z","published":"2026-08-15T05:59:16.701Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74408.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/336d4c8cd9b1646060ee690c881d465dfc09c6c0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/46ca1451f61b598f45cb5259e066d305444d95fc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5435fd3edcb11c7cc4002847c83e9a50b49284dc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/734db72d55ca578a344dfa33e30145032c074b25"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7ce2f118a2389e8f0a64068c6fe7cc7d40639be0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a9e055ac62cb3fcea262d4b687ec73eed82b3379"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f5931d06b45ed402572bfe5832fff15864ef5481"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74408.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74408"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"fce041beb03f93c7a771f0b4b6c45bb71ef90901"},{"fixed":"fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54"},{"fixed":"734db72d55ca578a344dfa33e30145032c074b25"},{"fixed":"f5931d06b45ed402572bfe5832fff15864ef5481"},{"fixed":"46ca1451f61b598f45cb5259e066d305444d95fc"},{"fixed":"a9e055ac62cb3fcea262d4b687ec73eed82b3379"},{"fixed":"5435fd3edcb11c7cc4002847c83e9a50b49284dc"},{"fixed":"336d4c8cd9b1646060ee690c881d465dfc09c6c0"},{"fixed":"7ce2f118a2389e8f0a64068c6fe7cc7d40639be0"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74408.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.1.0"},{"fixed":"5.10.261"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74408.json"}}],"schema_version":"1.9.0"}