{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "06d3fdfcdf5cefb06f2024b9d3dad356779399cf"
            },
            {
              "fixed": "809230cc25dde1d6bb00de2a1eeb5f3199402fbe"
            },
            {
              "fixed": "a209744230f9ce3d7a7e9a0839944f5cb5fa02a4"
            },
            {
              "fixed": "e284bb94ad4512ec0bcd9b91bda99e67c507f7f8"
            },
            {
              "fixed": "d54a5fb7d821b88c7c5569d450af59dafccaf414"
            },
            {
              "fixed": "6b8cbcf08de0db62254d1981f83db0f94681ccd9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.6.0"
            },
            {
              "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-2026-74303.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: fix NULL pointer dereference in qca_dmp_hdr() for non-serdev device\n\nhu-\u003eserdev is NULL for hci_uart attached via non-serdev paths, but\nqca_dmp_hdr() unconditionally dereferences hu-\u003eserdev-\u003edev.driver-\u003ename,\ncausing a NULL pointer dereference.\n\nFix by guarding the dereference with a NULL check and falling back to\n\"hci_ldisc_qca\" for the non-serdev case.",
  "id": "CVE-2026-74303",
  "modified": "2026-08-18T03:31:12.518543119Z",
  "published": "2026-08-15T05:58:05.321Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6b8cbcf08de0db62254d1981f83db0f94681ccd9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/809230cc25dde1d6bb00de2a1eeb5f3199402fbe"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a209744230f9ce3d7a7e9a0839944f5cb5fa02a4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d54a5fb7d821b88c7c5569d450af59dafccaf414"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e284bb94ad4512ec0bcd9b91bda99e67c507f7f8"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74303.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74303"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "Bluetooth: hci_qca: fix NULL pointer dereference in qca_dmp_hdr() for non-serdev device"
}