GHSA-6HV7-5H9P-9JRW

Vulnerability from github – Published: 2026-08-15 06:32 – Updated: 2026-08-17 06:33
VLAI
Details

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

wifi: ath9k: fix OOB access from firmware tx status queue ID

ath_tx_edma_tasklet() accesses sc->tx.txq[ts.qid] where ts.qid is a 4-bit hardware field (0-15), but the txq array only has ATH9K_NUM_TX_QUEUES (10) entries. A qid >= 10 causes an OOB array access.

Add a bounds check on ts.qid before using it as an array index.

Severity
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-74408"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-15T06:22:42Z",
    "severity": "HIGH"
  },
  "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": "GHSA-6hv7-5h9p-9jrw",
  "modified": "2026-08-17T06:33:43Z",
  "published": "2026-08-15T06:32:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74408"
    },
    {
      "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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