{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a2cec6863709d6673a025acc066c962b85a75842"
            },
            {
              "fixed": "716e1cd3783806929407dbd596e6b1118971eb9e"
            },
            {
              "fixed": "b1eb31d533cdfcae1011ed53850d52f36afe5774"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.2.0"
            },
            {
              "fixed": "7.2.7"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97980.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/debug: Fix NULL pointer dereference in debug_set_level()\n\nCommit a2cec6863709 (\"s390/debug: Add s390dbf kernel parameter\")\nincorrectly removed a null-id check from debug_set_level(), introducing\na possible NULL pointer dereference for debug-API users that put\ndebug_register() results unchecked into debug_set_level().\n\nFix this by moving the check from the internal _debug_set_level()\nvariant back to the external debug_set_level() wrapper.",
  "id": "CVE-2026-97980",
  "modified": "2026-09-27T03:30:50.504354312Z",
  "published": "2026-09-25T10:23:17.075Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/716e1cd3783806929407dbd596e6b1118971eb9e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b1eb31d533cdfcae1011ed53850d52f36afe5774"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/97xxx/CVE-2026-97980.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-97980"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "s390/debug: Fix NULL pointer dereference in debug_set_level()"
}