{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "7.1.8-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  Bluetooth: ISO: hold sk properly in iso_conn_ready  sk deref in iso_conn_ready must be done either under conn-\u003elock, or holding a refcount, to avoid concurrent close. conn-\u003esk is currently accessed without either:      [Task 1]            [Task 2]                         iso_sock_release     iso_conn_ready       sk = conn-\u003esk                           lock_sock(sk)                             conn-\u003esk = NULL       lock_sock(sk)                           release_sock(sk)                           iso_sock_kill(sk)        UAF on sk deref  Fix possible UAF by holding sk refcount in iso_conn_ready().  Also recheck after lock_sock that the socket is still valid.  Adjust locking so conn-\u003esk is cleared only under lock_sock.",
  "id": "DEBIAN-CVE-2026-74537",
  "modified": "2026-09-14T16:47:46.034881668Z",
  "published": "2026-08-15T13:17:59.040Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-74537"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-74537"
  ]
}