{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fce041beb03f93c7a771f0b4b6c45bb71ef90901"
            },
            {
              "fixed": "fb11083db9d7d6fb8f98bbba1cbfcf3fb7b4bf54"
            },
            {
              "fixed": "734db72d55ca578a344dfa33e30145032c074b25"
            },
            {
              "fixed": "f5931d06b45ed402572bfe5832fff15864ef5481"
            },
            {
              "fixed": "46ca1451f61b598f45cb5259e066d305444d95fc"
            },
            {
              "fixed": "a9e055ac62cb3fcea262d4b687ec73eed82b3379"
            },
            {
              "fixed": "5435fd3edcb11c7cc4002847c83e9a50b49284dc"
            },
            {
              "fixed": "336d4c8cd9b1646060ee690c881d465dfc09c6c0"
            },
            {
              "fixed": "7ce2f118a2389e8f0a64068c6fe7cc7d40639be0"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "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"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74408.json"
  },
  "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.",
  "id": "CVE-2026-74408",
  "modified": "2026-08-16T03:31:14.414758948Z",
  "published": "2026-08-15T05:59:16.701Z",
  "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"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: ath9k: fix OOB access from firmware tx status queue ID"
}