CVE-2025-21772 (GCVE-0-2025-21772)
Vulnerability from cvelistv5
Published
2025-02-27 02:18
Modified
2025-05-04 07:20
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: partitions: mac: fix handling of bogus partition table Fix several issues in partition probing: - The bailout for a bad partoffset must use put_dev_sector(), since the preceding read_part_sector() succeeded. - If the partition table claims a silly sector size like 0xfff bytes (which results in partition table entries straddling sector boundaries), bail out instead of accessing out-of-bounds memory. - We must not assume that the partition table contains proper NUL termination - use strnlen() and strncmp() instead of strlen() and strcmp().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/213ba5bd81b7e97ac6e6190b8f3bc6ba76123625
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/27a39d006f85e869be68c1d5d2ce05e5d6445bf5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/40a35d14f3c0dc72b689061ec72fc9b193f37d1f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6578717ebca91678131d2b1f4ba4258e60536e9f
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/7fa9706722882f634090bfc9af642bf9ed719e27
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/80e648042e512d5a767da251d44132553fe04ae0
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/92527100be38ede924768f4277450dfe8a40e16b
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a3e77da9f843e4ab93917d30c314f0283e28c124
Impacted products
Vendor Product Version
Linux Linux Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
Version: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "block/partitions/mac.c"
          ],
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          "vendor": "Linux",
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          "programFiles": [
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          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "unaffected",
              "version": "5.4.291",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.235",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.179",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.129",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "6.6.79",
              "versionType": "semver"
            },
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              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.16",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.13.*",
              "status": "unaffected",
              "version": "6.13.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.14",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
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              "negate": false,
              "operator": "OR"
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      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\npartitions: mac: fix handling of bogus partition table\n\nFix several issues in partition probing:\n\n - The bailout for a bad partoffset must use put_dev_sector(), since the\n   preceding read_part_sector() succeeded.\n - If the partition table claims a silly sector size like 0xfff bytes\n   (which results in partition table entries straddling sector boundaries),\n   bail out instead of accessing out-of-bounds memory.\n - We must not assume that the partition table contains proper NUL\n   termination - use strnlen() and strncmp() instead of strlen() and\n   strcmp()."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-04T07:20:46.575Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/a3e77da9f843e4ab93917d30c314f0283e28c124"
        },
        {
          "url": "https://git.kernel.org/stable/c/213ba5bd81b7e97ac6e6190b8f3bc6ba76123625"
        },
        {
          "url": "https://git.kernel.org/stable/c/40a35d14f3c0dc72b689061ec72fc9b193f37d1f"
        },
        {
          "url": "https://git.kernel.org/stable/c/27a39d006f85e869be68c1d5d2ce05e5d6445bf5"
        },
        {
          "url": "https://git.kernel.org/stable/c/92527100be38ede924768f4277450dfe8a40e16b"
        },
        {
          "url": "https://git.kernel.org/stable/c/6578717ebca91678131d2b1f4ba4258e60536e9f"
        },
        {
          "url": "https://git.kernel.org/stable/c/7fa9706722882f634090bfc9af642bf9ed719e27"
        },
        {
          "url": "https://git.kernel.org/stable/c/80e648042e512d5a767da251d44132553fe04ae0"
        }
      ],
      "title": "partitions: mac: fix handling of bogus partition table",
      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-21772",
    "datePublished": "2025-02-27T02:18:19.528Z",
    "dateReserved": "2024-12-29T08:45:45.762Z",
    "dateUpdated": "2025-05-04T07:20:46.575Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-21772\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-02-27T03:15:17.867\",\"lastModified\":\"2025-03-13T13:15:54.037\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\npartitions: mac: fix handling of bogus partition table\\n\\nFix several issues in partition probing:\\n\\n - The bailout for a bad partoffset must use put_dev_sector(), since the\\n   preceding read_part_sector() succeeded.\\n - If the partition table claims a silly sector size like 0xfff bytes\\n   (which results in partition table entries straddling sector boundaries),\\n   bail out instead of accessing out-of-bounds memory.\\n - We must not assume that the partition table contains proper NUL\\n   termination - use strnlen() and strncmp() instead of strlen() and\\n   strcmp().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: particiones: mac: se corrige el manejo de la tabla de particiones falsa Corrige varios problemas en el sondeo de particiones: - El rescate para un partoffset incorrecto debe usar put_dev_sector(), ya que el read_part_sector() anterior tuvo \u00e9xito. - Si la tabla de particiones reclama un tama\u00f1o de sector tonto como 0xfff bytes (lo que da como resultado que las entradas de la tabla de particiones se extiendan a ambos lados de los l\u00edmites del sector), salga en lugar de acceder a la memoria fuera de los l\u00edmites. - No debemos asumir que la tabla de particiones contiene la terminaci\u00f3n NUL adecuada: use strnlen() y strncmp() en lugar de strlen() y strcmp().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/213ba5bd81b7e97ac6e6190b8f3bc6ba76123625\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/27a39d006f85e869be68c1d5d2ce05e5d6445bf5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/40a35d14f3c0dc72b689061ec72fc9b193f37d1f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6578717ebca91678131d2b1f4ba4258e60536e9f\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7fa9706722882f634090bfc9af642bf9ed719e27\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/80e648042e512d5a767da251d44132553fe04ae0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/92527100be38ede924768f4277450dfe8a40e16b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a3e77da9f843e4ab93917d30c314f0283e28c124\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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