CVE-2022-50040 (GCVE-0-2022-50040)
Vulnerability from cvelistv5
Published
2025-06-18 11:01
Modified
2025-06-18 11:01
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions() If an error occurs in dsa_devlink_region_create(), then 'priv->regions' array will be accessed by negative index '-1'. Found by Linux Verification Center (linuxtesting.org) with SVACE.
References
Impacted products
Vendor Product Version
Linux Linux Version: bf425b82059e0b0752c0026353c1902112200837
Version: bf425b82059e0b0752c0026353c1902112200837
Version: bf425b82059e0b0752c0026353c1902112200837
Version: bf425b82059e0b0752c0026353c1902112200837
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/dsa/sja1105/sja1105_devlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "lessThan": "7983e1e44cb322eba6af84160b6d18df80603fb8",
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              "versionType": "git"
            },
            {
              "lessThan": "e84c6321f3578c38cb3c24258db91a92672b17a8",
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            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/net/dsa/sja1105/sja1105_devlink.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.10"
            },
            {
              "lessThan": "5.10",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.138",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.63",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.19.*",
              "status": "unaffected",
              "version": "5.19.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
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              "version": "6.0",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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                  "versionEndExcluding": "5.10.138",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
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                },
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                  "versionEndExcluding": "5.19.4",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                },
                {
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                  "versionEndExcluding": "6.0",
                  "versionStartIncluding": "5.10",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions()\n\nIf an error occurs in dsa_devlink_region_create(), then \u0027priv-\u003eregions\u0027\narray will be accessed by negative index \u0027-1\u0027.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-18T11:01:41.420Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7983e1e44cb322eba6af84160b6d18df80603fb8"
        },
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        },
        {
          "url": "https://git.kernel.org/stable/c/79f86b862416126a2e826cb74224180d6625a32f"
        },
        {
          "url": "https://git.kernel.org/stable/c/fd8e899cdb5ecaf8e8ee73854a99e10807eef1de"
        }
      ],
      "title": "net: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50040",
    "datePublished": "2025-06-18T11:01:41.420Z",
    "dateReserved": "2025-06-18T10:57:27.398Z",
    "dateUpdated": "2025-06-18T11:01:41.420Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2022-50040\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-06-18T11:15:32.450\",\"lastModified\":\"2025-06-18T13:47:40.833\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnet: dsa: sja1105: fix buffer overflow in sja1105_setup_devlink_regions()\\n\\nIf an error occurs in dsa_devlink_region_create(), then \u0027priv-\u003eregions\u0027\\narray will be accessed by negative index \u0027-1\u0027.\\n\\nFound by Linux Verification Center (linuxtesting.org) with SVACE.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: dsa: sja1105: se corrige un desbordamiento de b\u00fafer en sja1105_setup_devlink_regions(). Si se produce un error en dsa_devlink_region_create(), se acceder\u00e1 a la matriz \u0027priv-\u0026gt;regions\u0027 con el \u00edndice negativo \u0027-1\u0027. Encontrada por el Centro de Verificaci\u00f3n de Linux (linuxtesting.org) con SVACE.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/7983e1e44cb322eba6af84160b6d18df80603fb8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/79f86b862416126a2e826cb74224180d6625a32f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e84c6321f3578c38cb3c24258db91a92672b17a8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fd8e899cdb5ecaf8e8ee73854a99e10807eef1de\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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