ptp: ocp: Limit signal/freq counts in summary output functions

{
  "id": "73ee285ae7f1bb5c9bcea1be1a02e9e4a5c133b762d09fac77deebd73aa842db",
  "url": "https://osv.dev/vulnerability/CVE-2025-38054",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ptp: ocp: Limit signal/freq counts in summary output functions",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Limit signal/freq counts in summary output functions The debugfs summary output could access uninitialized elements in the freq_in[] and signal_out[] arrays, causing NULL pointer dereferences and triggering a kernel Oops (page_fault_oops). This patch adds u8 fields (nr_freq_in, nr_signal_out) to track the number of initialized elements, with a maximum of 4 per array. The summary output functions are updated to respect these limits, preventing out-of-bounds access and ensuring safe array handling. Widen the label variables because the change confuses GCC about max length of the strings.",
    "evidence": "osv:CVE-2025-38054",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.12.31",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.14.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2025-38054",
      "aliases": [
        "CVE-2025-38054"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ef61f5528fca6c3bbb2f8bc002fd1949c9d1f9b9"
                },
                {
                  "fixed": "0b7d3e782027ac3b6fec56159e8e348042000aef"
                },
                {
                  "fixed": "fcad74f894ac89790084cc2e1ec61b08220941d1"
                },
                {
                  "fixed": "c9e455581e2ba87ee38c126e8dc49a424b9df0cf"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38054.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.9.0"
                },
                {
                  "fixed": "6.12.31"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.13.0"
                },
                {
                  "fixed": "6.14.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38054.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.095763603Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0b7d3e782027ac3b6fec56159e8e348042000aef",
        "https://git.kernel.org/stable/c/c9e455581e2ba87ee38c126e8dc49a424b9df0cf",
        "https://git.kernel.org/stable/c/fcad74f894ac89790084cc2e1ec61b08220941d1",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38054.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-38054",
        "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/2025/38xxx/CVE-2025-38054.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-38054",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518236,
  "published_at": "2025-06-18T09:33:34.686+00:00"
}