gpio: cdev: Avoid NULL dereference in linehandle_create()

{
  "id": "9c5e3b5d721c96a91a82e33cee38c9cfd2c7a677a3ce48cb72492fe7170ab21e",
  "url": "https://osv.dev/vulnerability/CVE-2026-46258",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "gpio: cdev: Avoid NULL dereference in linehandle_create()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: gpio: cdev: Avoid NULL dereference in linehandle_create() In linehandle_create(), there is a statement like this: retain_and_null_ptr(lh); Soon after, there is a debug printout that dereferences \"lh\", which will crash things. Avoid the crash by using handlereq.lines, which is the same value.",
    "evidence": "osv:CVE-2026-46258",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.19.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-46258",
      "aliases": [
        "CVE-2026-46258"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "da7e394bf58f94e9783379fef7c7fb4411b03208"
                },
                {
                  "fixed": "87b9d7a4cfbed5f42af440372026270af997c766"
                },
                {
                  "fixed": "6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46258.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.19.0"
                },
                {
                  "fixed": "6.19.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46258.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.769802043Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/6af6be278e3ba2ffb6af5b796c89dfb3f5d9063e",
        "https://git.kernel.org/stable/c/87b9d7a4cfbed5f42af440372026270af997c766",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46258.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-46258",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46258.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-46258",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521523,
  "published_at": "2026-06-03T15:49:55.372+00:00"
}