{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "c948b5da6bbec742b433138e3e3f9537a85af2e5"
            },
            {
              "fixed": "c386e90a7ce8ddec9f038e9437661a2821b0ce89"
            },
            {
              "fixed": "e8b214b6d6e1902025452db0a0af73dc9693e4ba"
            },
            {
              "fixed": "c7369a00860a0704461d440e7c3bf9b49bfdbaee"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "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-2026-74324.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: validate skb length in testmode query\n\nIn mt7925_tm_query(), the response skb from mt76_mcu_send_and_get_msg()\nis used in a memcpy without validating its length:\n\n  memcpy(evt_resp, skb-\u003edata + 8, MT7925_EVT_RSP_LEN);\n\nwhere MT7925_EVT_RSP_LEN is 512. If the firmware returns a response\nshorter than 520 bytes (8 + 512), this reads beyond the skb data\nbuffer. The over-read data is then returned to userspace via nla_put()\nin mt7925_testmode_dump().\n\nAdd a length check before the memcpy to ensure the skb contains\nsufficient data.",
  "id": "CVE-2026-74324",
  "modified": "2026-08-18T03:31:22.790101194Z",
  "published": "2026-08-15T05:58:19.518Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c386e90a7ce8ddec9f038e9437661a2821b0ce89"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c7369a00860a0704461d440e7c3bf9b49bfdbaee"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e8b214b6d6e1902025452db0a0af73dc9693e4ba"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74324.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74324"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "wifi: mt76: mt7925: validate skb length in testmode query"
}