rust: pwm: Fix potential memory leak on init error

{
  "id": "2dfefc702268ce19135ff94bf79a7d286b2f7eca3c54aec4bdc3decadc29774d",
  "url": "https://osv.dev/vulnerability/CVE-2026-45926",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "rust: pwm: Fix potential memory leak on init error",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: rust: pwm: Fix potential memory leak on init error When initializing a PWM chip using pwmchip_alloc(), the allocated device owns an initial reference that must be released on all error paths. If __pinned_init() were to fail, the allocated pwm_chip would currently leak because the error path returns without calling pwmchip_put().",
    "evidence": "osv:CVE-2026-45926",
    "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-2026-45926",
      "aliases": [
        "CVE-2026-45926"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "7b3dce814a15bc5d9fb6124cd945291012c4ebb9"
                },
                {
                  "fixed": "baa8b7097d9cc68ff85819cf683972a58c2ce32b"
                },
                {
                  "fixed": "a2633dc243c35754a0c2270131d8a199c987c9bf"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45926.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-2026-45926.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.476221638Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/a2633dc243c35754a0c2270131d8a199c987c9bf",
        "https://git.kernel.org/stable/c/baa8b7097d9cc68ff85819cf683972a58c2ce32b",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45926.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-45926",
        "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/2026/45xxx/CVE-2026-45926.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-45926",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 492688,
  "published_at": "2026-05-27T12:17:45.351+00:00"
}