CVE-2026-74304 (GCVE-0-2026-74304)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:58 – Updated: 2026-09-25 14:44
VLAI
Title
Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device hu->serdev is NULL for hci_uart attached via non-serdev paths, but qca_setup() unconditionally calls serdev_device_get_drvdata(hu->serdev) and dereferences the result, causing a NULL pointer dereference. Fix by guarding the dereference with a NULL check, consistent with the rest of qca_setup().
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6992 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 7812a441617ad7cf3e62281d3fa518d2ba17c100 , < 74f179e75ab03bdc818a5e9709d8a8440c351463 (git)
Affected: 22d893eec0d52fa97d25d3de248285648f26ef68 , < 0704c04769ccc1a0939682db35d816dfa5fe75dc (git)
Affected: 22d893eec0d52fa97d25d3de248285648f26ef68 , < 3ec629fee178d429f01ae843e4ea888de93012bf (git)
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Linux Linux Affected: 7.0
Unaffected: 0 , < 7.0 (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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        {
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          "product": "Linux",
          "programFiles": [
            "drivers/bluetooth/hci_qca.c"
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              "operator": "OR"
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      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device\n\nhu-\u003eserdev is NULL for hci_uart attached via non-serdev paths, but\nqca_setup() unconditionally calls serdev_device_get_drvdata(hu-\u003eserdev)\nand dereferences the result, causing a NULL pointer dereference.\n\nFix by guarding the dereference with a NULL check, consistent with the\nrest of qca_setup()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-25T14:44:24.813Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/74f179e75ab03bdc818a5e9709d8a8440c351463"
        },
        {
          "url": "https://git.kernel.org/stable/c/0704c04769ccc1a0939682db35d816dfa5fe75dc"
        },
        {
          "url": "https://git.kernel.org/stable/c/3ec629fee178d429f01ae843e4ea888de93012bf"
        }
      ],
      "title": "Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device",
      "x_generator": {
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  "cveMetadata": {
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-74304",
    "datePublished": "2026-08-15T05:58:05.981Z",
    "dateReserved": "2026-08-15T05:44:03.882Z",
    "dateUpdated": "2026-09-25T14:44:24.813Z",
    "state": "PUBLISHED"
  },
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                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
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                "vendor": "Linux",
                "versions": [
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          }
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device\n\nhu-\u003eserdev is NULL for hci_uart attached via non-serdev paths, but\nqca_setup() unconditionally calls serdev_device_get_drvdata(hu-\u003eserdev)\nand dereferences the result, causing a NULL pointer dereference.\n\nFix by guarding the dereference with a NULL check, consistent with the\nrest of qca_setup()."
          }
        ],
        "id": "CVE-2026-74304",
        "lastModified": "2026-09-25T15:17:55.293",
        "metrics": {},
        "published": "2026-08-15T06:22:30.037",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/0704c04769ccc1a0939682db35d816dfa5fe75dc"
          },
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          }
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        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Received"
      }
    },
    "redhat_vex": {
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      "current_release_date": "2026-08-20T16:25:30+00:00",
      "cve": "CVE-2026-74304",
      "id": "CVE-2026-74304",
      "initial_release_date": "2026-08-15T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: hci_qca: fix NULL pointer dereference in qca_setup() for non-serdev device",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74304.json",
      "version": "3"
    }
  }
}



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