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iommu/mediatek: Check return value after calling platform_get_resource()

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Check return value after calling platform_get_resource() platform_get_resource() may return NULL pointer, we need check its return value to avoid null-ptr-deref in resource_size().

Products
Kernel
Affected versions
Not specified
Fixed versions
6.0.16, 6.1.2
CVEs
CVE-2022-50524
Confirmed fixed CVEs
Not specified
Updated in this feed
6 Nov 2026, 01:50 UTC · Revision 1

Source evidence

iommu/mediatek: Check return value after calling platform_get_resource()

core-osv · Original source

Published 7 Oct 2025, 15:19 UTC

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Check return value after calling platform_get_resource() platform_get_resource() may return NULL pointer, we need check its return value to avoid null-ptr-deref in resource_size().

osv:CVE-2022-50524

Kernel

Fixed versions: 6.0.16, 6.1.2

Complete source record
{
  "id": "4b10b3992daa0f1969f4f8a4ffcca9b80ec13cdf95d985f23172a00bc2908f82",
  "url": "https://osv.dev/vulnerability/CVE-2022-50524",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "iommu/mediatek: Check return value after calling platform_get_resource()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Check return value after calling platform_get_resource() platform_get_resource() may return NULL pointer, we need check its return value to avoid null-ptr-deref in resource_size().",
    "evidence": "osv:CVE-2022-50524",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.0.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2022-50524",
      "aliases": [
        "CVE-2022-50524"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "42d57fc58aebc5801804424082028f43bad1b73c"
                },
                {
                  "fixed": "bfebf05883cdcf9ac983033987fae869bd59ca53"
                },
                {
                  "fixed": "feca904412483b2e0a903dd1f2e2843afd445f8c"
                },
                {
                  "fixed": "73b6924cdebc899de9b719e1319aa86c6bed4acf"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50524.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.19.0"
                },
                {
                  "fixed": "6.0.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.1.0"
                },
                {
                  "fixed": "6.1.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50524.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.210000828Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/73b6924cdebc899de9b719e1319aa86c6bed4acf",
        "https://git.kernel.org/stable/c/bfebf05883cdcf9ac983033987fae869bd59ca53",
        "https://git.kernel.org/stable/c/feca904412483b2e0a903dd1f2e2843afd445f8c",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50524.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50524",
        "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/2022/50xxx/CVE-2022-50524.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50524",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 514011,
  "published_at": "2025-10-07T15:19:17.251+00:00"
}