{
  "affected": [
    {
      "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": "7.2.6-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  m68k: nfcon: Do not call console_is_registered() in nfcon_device()  Since 7c2af0f634f1 (\"tty: tty_io: use console_list_lock for list synchronization\") show_cons_active() calls the .device() method under the console_list_lock, but console_is_registered() tries to acquire console_list_lock as well, causing a deadlock.  It should not be necessary to check console_is_registered() here since the function should not be called in the fist place when the console is not registered.",
  "id": "DEBIAN-CVE-2026-90158",
  "modified": "2026-09-23T03:47:41.551432100Z",
  "published": "2026-09-17T17:17:08.963Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-90158"
    }
  ],
  "upstream": [
    "CVE-2026-90158"
  ]
}