{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "fbdc4bc47268953c80853489f696e02d61f9a2c6"
            },
            {
              "fixed": "cc1d39946d62bc568551dfb81149724de1e91338"
            },
            {
              "fixed": "7b51a9c25e9698b64df9f2218f10eecf7dc7e2d0"
            },
            {
              "fixed": "63c0f396a18b767eb28e895eb95bbdce6c172c59"
            },
            {
              "fixed": "69a4a7b162b3db6ac337e3094cdee38f24d42ff7"
            },
            {
              "fixed": "d57e506f6a1e3929611340fae87c1e4823f4d85c"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "c03a10bd5b6ccb22921e04bcddc987410df7e7a9"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.5.12"
            },
            {
              "fixed": "6.6"
            }
          ],
          "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": "6.6.151"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.103"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.44"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "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-2026-74541.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: ISO: clear iso_data always when detaching conn from hcon\n\nWhen setting conn-\u003ehcon = NULL, also conn-\u003ehcon-\u003eiso_data = NULL is\nnecessary, otherwise later iso_conn_free() will UAF.\n\nFix clearing of iso_data in iso_sock_disconn()\n\nFixes KASAN: slab-use-after-free in iso_conn_hold_unless_zero on\niso_sock_release() followed by hci_abort_conn_sync().",
  "id": "CVE-2026-74541",
  "modified": "2026-08-18T03:31:01.701435289Z",
  "published": "2026-08-15T12:27:52.120Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/63c0f396a18b767eb28e895eb95bbdce6c172c59"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/69a4a7b162b3db6ac337e3094cdee38f24d42ff7"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7b51a9c25e9698b64df9f2218f10eecf7dc7e2d0"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cc1d39946d62bc568551dfb81149724de1e91338"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d57e506f6a1e3929611340fae87c1e4823f4d85c"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74541.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74541"
    },
    {
      "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:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Bluetooth: ISO: clear iso_data always when detaching conn from hcon"
}