{
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2024-26846"
      ],
      "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: do not wait in vain when unloading module\n\nThe module exit path has race between deleting all controllers and\nfreeing \u0027left over IDs\u0027. To prevent double free a synchronization\nbetween nvme_delete_ctrl and ida_destroy has been added by the initial\ncommit.\n\nThere is some logic around trying to prevent from hanging forever in\nwait_for_completion, though it does not handling all cases. E.g.\nblktests is able to reproduce the situation where the module unload\nhangs forever.\n\nIf we completely rely on the cleanup code executed from the\nnvme_delete_ctrl path, all IDs will be freed eventually. This makes\ncalling ida_destroy unnecessary. We only have to ensure that all\nnvme_delete_ctrl code has been executed before we leave\nnvme_fc_exit_module. This is done by flushing the nvme_delete_wq\nworkqueue.\n\nWhile at it, remove the unused nvme_fc_wq workqueue too.",
      "id": "GSD-2024-26846",
      "modified": "2024-02-20T06:02:29.315055Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@kernel.org",
        "ID": "CVE-2024-26846",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
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                    "product_name": "Linux",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "1da177e4c3f4",
                          "version_value": "4f2c95015ec2"
                        },
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "lessThanOrEqual": "5.10.*",
                                "status": "unaffected",
                                "version": "5.10.211",
                                "versionType": "custom"
                              },
                              {
                                "lessThanOrEqual": "5.15.*",
                                "status": "unaffected",
                                "version": "5.15.150",
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                              {
                                "lessThanOrEqual": "6.1.*",
                                "status": "unaffected",
                                "version": "6.1.80",
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                              {
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                                "status": "unaffected",
                                "version": "6.6.19",
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                                "lessThanOrEqual": "6.7.*",
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                                "version": "6.7.7",
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                              {
                                "lessThanOrEqual": "*",
                                "status": "unaffected",
                                "version": "6.8",
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      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: do not wait in vain when unloading module\n\nThe module exit path has race between deleting all controllers and\nfreeing \u0027left over IDs\u0027. To prevent double free a synchronization\nbetween nvme_delete_ctrl and ida_destroy has been added by the initial\ncommit.\n\nThere is some logic around trying to prevent from hanging forever in\nwait_for_completion, though it does not handling all cases. E.g.\nblktests is able to reproduce the situation where the module unload\nhangs forever.\n\nIf we completely rely on the cleanup code executed from the\nnvme_delete_ctrl path, all IDs will be freed eventually. This makes\ncalling ida_destroy unnecessary. We only have to ensure that all\nnvme_delete_ctrl code has been executed before we leave\nnvme_fc_exit_module. This is done by flushing the nvme_delete_wq\nworkqueue.\n\nWhile at it, remove the unused nvme_fc_wq workqueue too."
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      "problemtype": {
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                "value": "n/a"
              }
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            "name": "https://git.kernel.org/stable/c/4f2c95015ec2a1899161be6c0bdaecedd5a7bfb2",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/4f2c95015ec2a1899161be6c0bdaecedd5a7bfb2"
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          {
            "name": "https://git.kernel.org/stable/c/0bf567d6d9ffe09e059bbdfb4d07143cef42c75c",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/0bf567d6d9ffe09e059bbdfb4d07143cef42c75c"
          },
          {
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            "url": "https://git.kernel.org/stable/c/085195aa90a924c79e35569bcdad860d764a8e17"
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          {
            "name": "https://git.kernel.org/stable/c/baa6b7eb8c66486bd64608adc63fe03b30d3c0b9",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/baa6b7eb8c66486bd64608adc63fe03b30d3c0b9"
          },
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            "name": "https://git.kernel.org/stable/c/c0882c366418bf9c19e1ba7f270fe377a9bf5d67",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/c0882c366418bf9c19e1ba7f270fe377a9bf5d67"
          },
          {
            "name": "https://git.kernel.org/stable/c/70fbfc47a392b98e5f8dba70c6efc6839205c982",
            "refsource": "MISC",
            "url": "https://git.kernel.org/stable/c/70fbfc47a392b98e5f8dba70c6efc6839205c982"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-fc: do not wait in vain when unloading module\n\nThe module exit path has race between deleting all controllers and\nfreeing \u0027left over IDs\u0027. To prevent double free a synchronization\nbetween nvme_delete_ctrl and ida_destroy has been added by the initial\ncommit.\n\nThere is some logic around trying to prevent from hanging forever in\nwait_for_completion, though it does not handling all cases. E.g.\nblktests is able to reproduce the situation where the module unload\nhangs forever.\n\nIf we completely rely on the cleanup code executed from the\nnvme_delete_ctrl path, all IDs will be freed eventually. This makes\ncalling ida_destroy unnecessary. We only have to ensure that all\nnvme_delete_ctrl code has been executed before we leave\nnvme_fc_exit_module. This is done by flushing the nvme_delete_wq\nworkqueue.\n\nWhile at it, remove the unused nvme_fc_wq workqueue too."
          }
        ],
        "id": "CVE-2024-26846",
        "lastModified": "2024-04-17T12:48:07.510",
        "metrics": {},
        "published": "2024-04-17T10:15:10.187",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/085195aa90a924c79e35569bcdad860d764a8e17"
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            "url": "https://git.kernel.org/stable/c/baa6b7eb8c66486bd64608adc63fe03b30d3c0b9"
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            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/c0882c366418bf9c19e1ba7f270fe377a9bf5d67"
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        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Awaiting Analysis"
      }
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}