{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "d3413703d5f8b7d1e6f514f9440ed5da1bc30796"
            },
            {
              "fixed": "e6792adef614b389141b142e30ee549e4a47dd7d"
            },
            {
              "fixed": "abf9753edf3f88282c44a605f3945d8d4f8dd86c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.1.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74528.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_sync: hold conn in hci_past_sync() callback\n\nAvoids giving freed pointers to hci_conn_valid(), which kmalloc may have\nreused.\n\nHold refcount to avoid that.",
  "id": "CVE-2026-74528",
  "modified": "2026-08-18T03:31:14.092027759Z",
  "published": "2026-08-15T12:27:44.181Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/abf9753edf3f88282c44a605f3945d8d4f8dd86c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e6792adef614b389141b142e30ee549e4a47dd7d"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74528.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74528"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Bluetooth: hci_sync: hold conn in hci_past_sync() callback"
}