{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "7c2af0f634f1bc761ca827310dc7e8e586af502f"
            },
            {
              "fixed": "7d3f15a664d115584fc177b5f2cfbdb3e5a50d60"
            },
            {
              "fixed": "e5e11274b5512e24a346ed83f8dd85e3389d2f4b"
            },
            {
              "fixed": "be98f92fc244688a6bdecbc834cf2cd243056d9d"
            },
            {
              "fixed": "d73441232f1f067eb659e94447b1353c16609711"
            },
            {
              "fixed": "2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.157"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.110"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.52"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "7.2.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90158.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nm68k: nfcon: Do not call console_is_registered() in nfcon_device()\n\nSince 7c2af0f634f1 (\"tty: tty_io: use console_list_lock for list\nsynchronization\") show_cons_active() calls the .device() method under\nthe console_list_lock, but console_is_registered() tries to acquire\nconsole_list_lock as well, causing a deadlock.  It should not be\nnecessary to check console_is_registered() here since the function\nshould not be called in the fist place when the console is not\nregistered.",
  "id": "CVE-2026-90158",
  "modified": "2026-09-19T03:30:46.742177695Z",
  "published": "2026-09-17T16:06:49.735Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2f8e3cad53b5c36ab0ed5d3195bfc55c59ea61a5"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d3f15a664d115584fc177b5f2cfbdb3e5a50d60"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/be98f92fc244688a6bdecbc834cf2cd243056d9d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d73441232f1f067eb659e94447b1353c16609711"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e5e11274b5512e24a346ed83f8dd85e3389d2f4b"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90158.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90158"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "m68k: nfcon: Do not call console_is_registered() in nfcon_device()"
}