GSD-2021-46965

Vulnerability from gsd - Updated: 2024-02-28 06:03
Details
In the Linux kernel, the following vulnerability has been resolved: mtd: physmap: physmap-bt1-rom: Fix unintentional stack access Cast &data to (char *) in order to avoid unintentionally accessing the stack. Notice that data is of type u32, so any increment to &data will be in the order of 4-byte chunks, and this piece of code is actually intended to be a byte offset. Addresses-Coverity-ID: 1497765 ("Out-of-bounds access")
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{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-46965"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: physmap: physmap-bt1-rom: Fix unintentional stack access\n\nCast \u0026data to (char *) in order to avoid unintentionally accessing\nthe stack.\n\nNotice that data is of type u32, so any increment to \u0026data\nwill be in the order of 4-byte chunks, and this piece of code\nis actually intended to be a byte offset.\n\nAddresses-Coverity-ID: 1497765 (\"Out-of-bounds access\")",
      "id": "GSD-2021-46965",
      "modified": "2024-02-28T06:03:57.640897Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2021-46965",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "b3e79e7682e0",
                          "version_value": "34ec706bf0b7"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "status": "affected",
                                "version": "5.10"
                              },
                              {
                                "lessThan": "5.10",
                                "status": "unaffected",
                                "version": "0",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.10.*",
                                "status": "unaffected",
                                "version": "5.10.36",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.11.*",
                                "status": "unaffected",
                                "version": "5.11.20",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.12.*",
                                "status": "unaffected",
                                "version": "5.12.3",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "5.13",
                                "versionType": "original_commit_for_fix"
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      "data_type": "CVE",
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      "description": {
        "description_data": [
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            "lang": "eng",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: physmap: physmap-bt1-rom: Fix unintentional stack access\n\nCast \u0026data to (char *) in order to avoid unintentionally accessing\nthe stack.\n\nNotice that data is of type u32, so any increment to \u0026data\nwill be in the order of 4-byte chunks, and this piece of code\nis actually intended to be a byte offset.\n\nAddresses-Coverity-ID: 1497765 (\"Out-of-bounds access\")"
          }
        ]
      },
      "generator": {
        "engine": "bippy-b01c2a820106"
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://git.kernel.org/stable/c/34ec706bf0b7c4ca249a729c1bcb91f706c7a7be",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/34ec706bf0b7c4ca249a729c1bcb91f706c7a7be"
          },
          {
            "name": "https://git.kernel.org/stable/c/4e4ebb827bf09311469ffd9d0c14ed40ed9747aa",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/4e4ebb827bf09311469ffd9d0c14ed40ed9747aa"
          },
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            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/4d786870e3262ec098a3b4ed10b895176bc66ecb"
          },
          {
            "name": "https://git.kernel.org/stable/c/683313993dbe1651c7aa00bb42a041d70e914925",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/683313993dbe1651c7aa00bb42a041d70e914925"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: physmap: physmap-bt1-rom: Fix unintentional stack access\n\nCast \u0026data to (char *) in order to avoid unintentionally accessing\nthe stack.\n\nNotice that data is of type u32, so any increment to \u0026data\nwill be in the order of 4-byte chunks, and this piece of code\nis actually intended to be a byte offset.\n\nAddresses-Coverity-ID: 1497765 (\"Out-of-bounds access\")"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mtd: physmap: physmap-bt1-rom: corrige el acceso involuntario a la pila. Transmite \u0026amp;data a (char *) para evitar el acceso involuntario a la pila. Tenga en cuenta que los datos son de tipo u32, por lo que cualquier incremento en \u0026amp;data ser\u00e1 del orden de fragmentos de 4 bytes, y este fragmento de c\u00f3digo en realidad est\u00e1 destinado a ser un desplazamiento de bytes. Direcciones-Coverity-ID: 1497765 (\"Acceso fuera de l\u00edmites\")"
          }
        ],
        "id": "CVE-2021-46965",
        "lastModified": "2024-02-28T14:06:45.783",
        "metrics": {},
        "published": "2024-02-27T19:04:07.087",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/34ec706bf0b7c4ca249a729c1bcb91f706c7a7be"
          },
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            "url": "https://git.kernel.org/stable/c/4d786870e3262ec098a3b4ed10b895176bc66ecb"
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          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/683313993dbe1651c7aa00bb42a041d70e914925"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
    }
  }
}



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