CVE-2022-50353 (GCVE-0-2022-50353)
Vulnerability from cvelistv5
Published
2025-09-17 14:56
Modified
2025-09-17 14:56
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: mmc: wmt-sdmmc: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, the memory that allocated in mmc_alloc_host() will be leaked and it will lead a kernel crash because of deleting not added device in the remove path. So fix this by checking the return value and goto error path which will call mmc_free_host(), besides, clk_disable_unprepare() also needs be called.
References
Impacted products
Vendor Product Version
Linux Linux Version: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360
Version: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360
Version: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360
Version: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360
Version: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360
Version: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360
Version: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360
Version: 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mmc/host/wmt-sdmmc.c"
          ],
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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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              "version": "3.8"
            },
            {
              "lessThan": "3.8",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
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              "status": "unaffected",
              "version": "4.14.303",
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            {
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              "status": "unaffected",
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            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.229",
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            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.163",
              "versionType": "semver"
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            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.86",
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              "version": "6.0.16",
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              "version": "6.1.2",
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              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.2",
              "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\nmmc: wmt-sdmmc: fix return value check of mmc_add_host()\n\nmmc_add_host() may return error, if we ignore its return value, the memory\nthat allocated in mmc_alloc_host() will be leaked and it will lead a kernel\ncrash because of deleting not added device in the remove path.\n\nSo fix this by checking the return value and goto error path which will call\nmmc_free_host(), besides, clk_disable_unprepare() also needs be called."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-09-17T14:56:06.761Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/70b0620afab3c69d95a7e2dd7ceff162a21c4009"
        },
        {
          "url": "https://git.kernel.org/stable/c/ecd6f77af3478f5223aa4011642a891b7dc91228"
        },
        {
          "url": "https://git.kernel.org/stable/c/c7a328cea791cc2769b6417943939420913b4a46"
        },
        {
          "url": "https://git.kernel.org/stable/c/9bedf64dda84b29151e41591d8ded9ff0e6d336a"
        },
        {
          "url": "https://git.kernel.org/stable/c/58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67"
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          "url": "https://git.kernel.org/stable/c/eb7a2d516d4fbd165c07877a20feccb047342b1f"
        },
        {
          "url": "https://git.kernel.org/stable/c/29276d56f6ed138db0f38cd31aedc0b725c8c76c"
        }
      ],
      "title": "mmc: wmt-sdmmc: fix return value check of mmc_add_host()",
      "x_generator": {
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2022-50353",
    "datePublished": "2025-09-17T14:56:06.761Z",
    "dateReserved": "2025-09-16T16:03:27.882Z",
    "dateUpdated": "2025-09-17T14:56:06.761Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
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  }
}


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