CVE-2025-40146 (GCVE-0-2025-40146)
Vulnerability from cvelistv5
Published
2025-11-12 10:23
Modified
2025-11-12 10:23
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix potential deadlock while nr_requests grown Allocate and free sched_tags while queue is freezed can deadlock[1], this is a long term problem, hence allocate memory before freezing queue and free memory after queue is unfreezed. [1] https://lore.kernel.org/all/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/
References
Impacted products
Vendor Product Version
Linux Linux Version: e3a2b3f931f59d5284abd13faf8bded726884ffd
Version: e3a2b3f931f59d5284abd13faf8bded726884ffd
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "block/blk-mq.c",
            "block/blk-mq.h",
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          "versions": [
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              "versionType": "original_commit_for_fix"
            }
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                  "versionEndExcluding": "6.17.3",
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                  "vulnerable": true
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nblk-mq: fix potential deadlock while nr_requests grown\n\nAllocate and free sched_tags while queue is freezed can deadlock[1],\nthis is a long term problem, hence allocate memory before freezing\nqueue and free memory after queue is unfreezed.\n\n[1] https://lore.kernel.org/all/0659ea8d-a463-47c8-9180-43c719e106eb@linux.ibm.com/"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-11-12T10:23:26.287Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
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          "url": "https://git.kernel.org/stable/c/8d26acf8477174d8ef690eb6affe13a630f586ae"
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        {
          "url": "https://git.kernel.org/stable/c/b86433721f46d934940528f28d49c1dedb690df1"
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      "title": "blk-mq: fix potential deadlock while nr_requests grown",
      "x_generator": {
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40146",
    "datePublished": "2025-11-12T10:23:26.287Z",
    "dateReserved": "2025-04-16T07:20:57.175Z",
    "dateUpdated": "2025-11-12T10:23:26.287Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
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  }
}


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