{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "b38f99c1217ae04753340f0fdcd8f35bf56841dc"
            },
            {
              "fixed": "7d2cd9269b570347e6e2dd24d4b3c1da868bc91d"
            },
            {
              "fixed": "f43cbe3b58ce989ce420c3bc875d48e7754c8aba"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "7.0.0"
            },
            {
              "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-2026-90163.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/server: call ksmbd_proc_cleanup() on module init failure\n\nWhen a later initializer fails, the unwind chain releases resources\ncreated after procfs and then jumps directly to class_unregister().\nReturning an error from module_init() leaves the proc tree and its\nper-CPU counters allocated.",
  "id": "CVE-2026-90163",
  "modified": "2026-09-18T03:30:42.925321986Z",
  "published": "2026-09-17T16:06:53.809Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d2cd9269b570347e6e2dd24d4b3c1da868bc91d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f43cbe3b58ce989ce420c3bc875d48e7754c8aba"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90163.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90163"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "smb/server: call ksmbd_proc_cleanup() on module init failure"
}