ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()

{
  "id": "04012dcea08c5a7da5fbf8bfb1a4347c0da9005b27e10d5d8e28a134e1d05277",
  "url": "https://osv.dev/vulnerability/CVE-2023-52997",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ipv4: prevent potential spectre v1 gadget in ip_metrics_convert() if (!type) continue; if (type > RTAX_MAX) return -EINVAL; ... metrics[type - 1] = val; @type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.",
    "evidence": "osv:CVE-2023-52997",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "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-2023-52997",
      "aliases": [
        "CVE-2023-52997"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7"
                },
                {
                  "fixed": "ef050cf5fb70d995a0d03244e25179b7c66a924a"
                },
                {
                  "fixed": "746db9ec1e672eee13965625ddac0d97e16fa20c"
                },
                {
                  "fixed": "34c6142f0df9cd75cba5a7aa9df0960d2854b415"
                },
                {
                  "fixed": "d50e7348b44f1e046121ff5be01b7fb6978a1149"
                },
                {
                  "fixed": "6850fe301d015a7d2012d1de8caf43dafb7cc2f6"
                },
                {
                  "fixed": "1d1d63b612801b3f0a39b7d4467cad0abd60e5c8"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52997.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.3.0"
                },
                {
                  "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-2023-52997.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.206690211Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8",
        "https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415",
        "https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6",
        "https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c",
        "https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149",
        "https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52997.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-52997",
        "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-2023-52997.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-52997",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 514003,
  "published_at": "2025-03-27T16:43:31.164+00:00"
}