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CVE-2025-40146

Estado: AplazadaSin puntuar—

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/

CVSS

NVD no ha asignado puntuación CVSS a esta CVE (habitual desde el cambio de política de abril de 2026).

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Linux — Linux KernelAI

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2025-40146",
  "cveTags": [],
  "metrics": {},
  "affected": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "affectedData": [
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "e3a2b3f931f59d5284abd13faf8bded726884ffd",
              "lessThan": "8d26acf8477174d8ef690eb6affe13a630f586ae",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "e3a2b3f931f59d5284abd13faf8bded726884ffd",
              "lessThan": "b86433721f46d934940528f28d49c1dedb690df1",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "block/blk-mq.c",
            "block/blk-mq.h",
            "block/blk-sysfs.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.16"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "3.16",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "6.17.3",
              "versionType": "semver",
              "lessThanOrEqual": "6.17.*"
            },
            {
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "block/blk-mq.c",
            "block/blk-mq.h",
            "block/blk-sysfs.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2025-11-12T11:15:44.480",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/8d26acf8477174d8ef690eb6affe13a630f586ae",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/b86433721f46d934940528f28d49c1dedb690df1",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Deferred",
  "descriptions": [
    {
      "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/"
    }
  ],
  "lastModified": "2026-06-17T09:21:20.207",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}