{"id":"CVE-2026-74408","aliases":[],"url":"https://o3.security/vulnerability/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->tx.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 >= 10 causes an OOB array\naccess.\n\nAdd a bounds check on ts.qid before using it as an array index.","published":"2026-08-15T05:59:16.701Z","modified":"2026-08-18T03:56:47.775163241Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"5.10.261"}],"fix":null,"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"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-18T03:56:47.775163241Z"}}