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CVE-2026-93109

Estado: RecibidaSin puntuar—

In the Linux kernel, the following vulnerability has been resolved:

RDMA/mlx5: Drain RCU callbacks during module teardown

devx_free_subscription() can remain queued after the last DevX event file drops its module reference or an auxiliary driver detaches its devices. mlx5_ib can then unload before the callback runs.

Registration error unwind has the same risk because driver registration can attach existing devices before failing. Wait after all drivers have stopped.

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)

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{
  "id": "CVE-2026-93109",
  "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": "6898d1c661d79f4707d8ba82991b2195822780ca",
              "lessThan": "ca428e597f12b278bf158356e34641e6386cfa82",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6898d1c661d79f4707d8ba82991b2195822780ca",
              "lessThan": "59d60e04afd012f07e996d2e34cb90a4ec6f5cff",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6898d1c661d79f4707d8ba82991b2195822780ca",
              "lessThan": "2f946e7839f677fa14574b6babad14b37ae0bbbe",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6898d1c661d79f4707d8ba82991b2195822780ca",
              "lessThan": "4be7810ba70291abb2f68cc6db0ae1b93ee9c76a",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6898d1c661d79f4707d8ba82991b2195822780ca",
              "lessThan": "7babc25d8dd5b7642920fbc0737cfd1469e7025b",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6898d1c661d79f4707d8ba82991b2195822780ca",
              "lessThan": "4664368b9bd9d5d79ebad24056b98c34b9fed20f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "6898d1c661d79f4707d8ba82991b2195822780ca",
              "lessThan": "e37cdd75f8d61c1123d324ae5667ac3da562290e",
              "versionType": "git"
            }
          ],
          "programFiles": [
            "drivers/infiniband/hw/mlx5/main.c"
          ],
          "defaultStatus": "unaffected"
        },
        {
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "product": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.6"
            },
            {
              "status": "unaffected",
              "version": "0",
              "lessThan": "5.6",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "5.15.221",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "status": "unaffected",
              "version": "6.1.188",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "status": "unaffected",
              "version": "6.6.157",
              "versionType": "semver",
              "lessThanOrEqual": "6.6.*"
            },
            {
              "status": "unaffected",
              "version": "6.12.110",
              "versionType": "semver",
              "lessThanOrEqual": "6.12.*"
            },
            {
              "status": "unaffected",
              "version": "6.18.52",
              "versionType": "semver",
              "lessThanOrEqual": "6.18.*"
            },
            {
              "status": "unaffected",
              "version": "7.2.6",
              "versionType": "semver",
              "lessThanOrEqual": "7.2.*"
            },
            {
              "status": "unaffected",
              "version": "7.3-rc1",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ],
          "programFiles": [
            "drivers/infiniband/hw/mlx5/main.c"
          ],
          "defaultStatus": "affected"
        }
      ]
    }
  ],
  "published": "2026-09-17T17:18:05.327",
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/2f946e7839f677fa14574b6babad14b37ae0bbbe",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4664368b9bd9d5d79ebad24056b98c34b9fed20f",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/4be7810ba70291abb2f68cc6db0ae1b93ee9c76a",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/59d60e04afd012f07e996d2e34cb90a4ec6f5cff",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7babc25d8dd5b7642920fbc0737cfd1469e7025b",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/ca428e597f12b278bf158356e34641e6386cfa82",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/e37cdd75f8d61c1123d324ae5667ac3da562290e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "vulnStatus": "Received",
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/mlx5: Drain RCU callbacks during module teardown\n\ndevx_free_subscription() can remain queued after the last DevX event file\ndrops its module reference or an auxiliary driver detaches its devices.\nmlx5_ib can then unload before the callback runs.\n\nRegistration error unwind has the same risk because driver registration\ncan attach existing devices before failing. Wait after all drivers have\nstopped."
    }
  ],
  "lastModified": "2026-09-17T17:18:05.327",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}