mfd: syscon: Fix null pointer dereference in of_syscon_register()

{
  "id": "a5787e83b589bceecb765996e685da09737e94662b4f5561b7a8a0c05426e103",
  "url": "https://osv.dev/vulnerability/CVE-2023-52467",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mfd: syscon: Fix null pointer dereference in of_syscon_register()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: mfd: syscon: Fix null pointer dereference in of_syscon_register() kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure.",
    "evidence": "osv:CVE-2023-52467",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.209",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.148",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.75",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.7.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-52467",
      "aliases": [
        "CVE-2023-52467"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e15d7f2b81d2e7d93115d46fa931b366c1cdebc2"
                },
                {
                  "fixed": "927626a2073887ee30ba00633260d4d203f8e875"
                },
                {
                  "fixed": "c3e3a2144bf50877551138ffce9f7aa6ddfe385b"
                },
                {
                  "fixed": "527e8c5f3d00299822612c495d5adf1f8f43c001"
                },
                {
                  "fixed": "3ef1130deee98997275904d9bfc37af75e1e906c"
                },
                {
                  "fixed": "7f2c410ac470959b88e03dadd94b7a0b71df7973"
                },
                {
                  "fixed": "41673c66b3d0c09915698fec5c13b24336f18dd1"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52467.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.9.0"
                },
                {
                  "fixed": "5.10.209"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.148"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.75"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.14"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.7.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52467.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:32.624100282Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3ef1130deee98997275904d9bfc37af75e1e906c",
        "https://git.kernel.org/stable/c/41673c66b3d0c09915698fec5c13b24336f18dd1",
        "https://git.kernel.org/stable/c/527e8c5f3d00299822612c495d5adf1f8f43c001",
        "https://git.kernel.org/stable/c/7f2c410ac470959b88e03dadd94b7a0b71df7973",
        "https://git.kernel.org/stable/c/927626a2073887ee30ba00633260d4d203f8e875",
        "https://git.kernel.org/stable/c/c3e3a2144bf50877551138ffce9f7aa6ddfe385b",
        "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52467.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52467",
        "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/2023/52xxx/CVE-2023-52467.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-52467",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 499340,
  "published_at": "2024-02-25T08:16:31.745+00:00"
}