{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "a3a10ce3429e5dee623ad5c8407ea58e204fcb0a"
            },
            {
              "fixed": "3dbf85ef40b6366ba15e882f7536cdc98bea579a"
            },
            {
              "fixed": "c3b5623fd97648f2747444aa8932ae604662df93"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.3.0"
            },
            {
              "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-2026-90335.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: skip cdev_del() when no cdev is registered\n\nTTY device registration can fail before a cdev is allocated.\nSerial core keeps the port so setserial can still use it, and later\nremoval passes the NULL cdev slot to cdev_del(), causing a NULL-pointer\ndereference.\n\nOnly delete the cdev when the slot is not NULL.",
  "id": "CVE-2026-90335",
  "modified": "2026-09-19T03:31:03.136929209Z",
  "published": "2026-09-17T16:08:48.127Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3dbf85ef40b6366ba15e882f7536cdc98bea579a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3b5623fd97648f2747444aa8932ae604662df93"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90335.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-90335"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "tty: skip cdev_del() when no cdev is registered"
}