tracing: Make sure trace_printk() can output as soon as it can be used

{
  "id": "b5ee45fbc07f60fbc0e8269127ad9b2ca30bcc6e8f2eb3032261f7829bc0aae7",
  "url": "https://osv.dev/vulnerability/CVE-2023-53007",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "tracing: Make sure trace_printk() can output as soon as it can be used",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: tracing: Make sure trace_printk() can output as soon as it can be used Currently trace_printk() can be used as soon as early_trace_init() is called from start_kernel(). But if a crash happens, and \"ftrace_dump_on_oops\" is set on the kernel command line, all you get will be: [ 0.456075] -0 0dN.2. 347519us : Unknown type 6 [ 0.456075] -0 0dN.2. 353141us : Unknown type 6 [ 0.456075] -0 0dN.2. 358684us : Unknown type 6 This is because the trace_printk() event (type 6) hasn't been registered yet. That gets done via an early_initcall(), which may be early, but not early enough. Instead of registering the trace_printk() event (and other ftrace events, which are not trace events) via an early_initcall(), have them registered at the same time that trace_printk() can be used. This way, if there is a crash before early_initcall(), then the trace_printk()s will actually be useful.",
    "evidence": "osv:CVE-2023-53007",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.14.305",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.19.272",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.231",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.166",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.91",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.9",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53007",
      "aliases": [
        "CVE-2023-53007"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e725c731e3bb1e892e7b564c945b121cb41d1087"
                },
                {
                  "fixed": "f97eb0ab066133483a65c93eb894748de2f6b598"
                },
                {
                  "fixed": "b94d7c7654356860dd7719120c7d15ba38b6162a"
                },
                {
                  "fixed": "76b2390fdc80c0a8300e5da5b6b62d201b6fe9ce"
                },
                {
                  "fixed": "de3930a4883ddad2244efd6d349013294c62c75c"
                },
                {
                  "fixed": "b0af180514edea6c83dc9a299d9f383009c99f25"
                },
                {
                  "fixed": "198c83963f6335ca6d690cff067679560f2a3a22"
                },
                {
                  "fixed": "3bb06eb6e9acf7c4a3e1b5bc87aed398ff8e2253"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53007.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.12.0"
                },
                {
                  "fixed": "4.14.305"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.15.0"
                },
                {
                  "fixed": "4.19.272"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.20.0"
                },
                {
                  "fixed": "5.4.231"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.166"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.91"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.9"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53007.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:49.909504398Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/198c83963f6335ca6d690cff067679560f2a3a22",
        "https://git.kernel.org/stable/c/3bb06eb6e9acf7c4a3e1b5bc87aed398ff8e2253",
        "https://git.kernel.org/stable/c/76b2390fdc80c0a8300e5da5b6b62d201b6fe9ce",
        "https://git.kernel.org/stable/c/b0af180514edea6c83dc9a299d9f383009c99f25",
        "https://git.kernel.org/stable/c/b94d7c7654356860dd7719120c7d15ba38b6162a",
        "https://git.kernel.org/stable/c/de3930a4883ddad2244efd6d349013294c62c75c",
        "https://git.kernel.org/stable/c/f97eb0ab066133483a65c93eb894748de2f6b598",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53007.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53007",
        "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/2023/53xxx/CVE-2023-53007.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53007",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 518239,
  "published_at": "2025-03-27T16:43:38.102+00:00"
}