« Volver al listado

CVE-2023-52997

Estado: AnalizadaMedia (5.5)—

In the Linux kernel, the following vulnerability has been resolved:

ipv4: prevent potential spectre v1 gadget in ip_metrics_convert()

@type being used as an array index, we need to prevent cpu speculation or risk leaking kernel memory content.

Detalles técnicos trazas, registros y código del informe original
if (!type)
		continue;
	if (type > RTAX_MAX)
		return -EINVAL;
	...
	metrics[type - 1] = val;

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-52997",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.5,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1.8
      }
    ]
  },
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7",
              "lessThan": "ef050cf5fb70d995a0d03244e25179b7c66a924a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7",
              "lessThan": "746db9ec1e672eee13965625ddac0d97e16fa20c",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7",
              "lessThan": "34c6142f0df9cd75cba5a7aa9df0960d2854b415",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7",
              "lessThan": "d50e7348b44f1e046121ff5be01b7fb6978a1149",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7",
              "lessThan": "6850fe301d015a7d2012d1de8caf43dafb7cc2f6",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6cf9dfd3bd62edfff69f11c0f111bc261166e4c7",
              "lessThan": "1d1d63b612801b3f0a39b7d4467cad0abd60e5c8",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "net/ipv4/metrics.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.3"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "4.3",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "4.19.272",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "status": "unaffected",
              "version": "5.4.231",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "status": "unaffected",
              "version": "5.10.166",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "status": "unaffected",
              "version": "5.15.91",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.9",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.2",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "net/ipv4/metrics.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-03-27T17:15:48.433",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/1d1d63b612801b3f0a39b7d4467cad0abd60e5c8",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/34c6142f0df9cd75cba5a7aa9df0960d2854b415",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6850fe301d015a7d2012d1de8caf43dafb7cc2f6",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/746db9ec1e672eee13965625ddac0d97e16fa20c",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d50e7348b44f1e046121ff5be01b7fb6978a1149",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ef050cf5fb70d995a0d03244e25179b7c66a924a",
      "tags": [
        "Patch"
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nipv4: prevent potential spectre v1 gadget in ip_metrics_convert()\n\nif (!type)\n\t\tcontinue;\n\tif (type > RTAX_MAX)\n\t\treturn -EINVAL;\n\t...\n\tmetrics[type - 1] = val;\n\n@type being used as an array index, we need to prevent\ncpu speculation or risk leaking kernel memory content."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ipv4: evitar un potencial gadget spectre v1 en ip_metrics_convert() if (!type) continue; if (type > RTAX_MAX) return -EINVAL; ... metrics[type - 1] = val; @type se utiliza como un índice de matriz, debemos evitar la especulación de la CPU o el riesgo de filtrar el contenido de la memoria del kernel."
    }
  ],
  "lastModified": "2026-06-17T06:44:05.067",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2747E53A-B785-4611-ADA8-5E618D64C066",
              "versionEndExcluding": "4.19.272",
              "versionStartIncluding": "4.3"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "79CA608C-BC5E-4BB5-9250-771AEC44F412",
              "versionEndExcluding": "5.4.231",
              "versionStartIncluding": "4.20"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A44D9D24-661C-40D4-8735-4CEB1C7C02F2",
              "versionEndExcluding": "5.10.166",
              "versionStartIncluding": "5.5"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "91C2E92D-CC25-4FBD-8824-56A148119D7E",
              "versionEndExcluding": "5.15.91",
              "versionStartIncluding": "5.11"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "ED5B6045-B1D2-4E03-B194-9005A351BCAE",
              "versionEndExcluding": "6.1.9",
              "versionStartIncluding": "5.16"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FF501633-2F44-4913-A8EE-B021929F49F6"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2BDA597B-CAC1-4DF0-86F0-42E142C654E9"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "725C78C9-12CE-406F-ABE8-0813A01D66E8"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A127C155-689C-4F67-B146-44A57F4BFD85"
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D34127CC-68F5-4703-A5F6-5006F803E4AE"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}