fkie_cve-2025-21802
Vulnerability from fkie_nvd
Published
2025-02-27 20:16
Modified
2025-11-03 21:19
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix oops when unload drivers paralleling When unload hclge driver, it tries to disable sriov first for each ae_dev node from hnae3_ae_dev_list. If user unloads hns3 driver at the time, because it removes all the ae_dev nodes, and it may cause oops. But we can't simply use hnae3_common_lock for this. Because in the process flow of pci_disable_sriov(), it will trigger the remove flow of VF, which will also take hnae3_common_lock. To fixes it, introduce a new mutex to protect the unload process.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/622d92a67656e5c4d2d6ccac02d688ed995418c6Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/82736bb83fb0221319c85c2e9917d0189cd84e1ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c640dd3d900cc8988a39c007591f1deee776df4Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/92e5995773774a3e70257e9c95ea03518268bea5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b5a8bc47aa0a4aa8bca5466dfa2d12dbb5b3cd0cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cafe9a27e22736d4a01b3933e36225f9857c7988Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e876522659012ef2e73834a0b9f1cbe3f74d5fadPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 5.15
linux linux_kernel 5.15


To clipboard 

{
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    {
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: fix oops when unload drivers paralleling\n\nWhen unload hclge driver, it tries to disable sriov first for each\nae_dev node from hnae3_ae_dev_list. If user unloads hns3 driver at\nthe time, because it removes all the ae_dev nodes, and it may cause\noops.\n\nBut we can\u0027t simply use hnae3_common_lock for this. Because in the\nprocess flow of pci_disable_sriov(), it will trigger the remove flow\nof VF, which will also take hnae3_common_lock.\n\nTo fixes it, introduce a new mutex to protect the unload process."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: hns3: se corrige el error al descargar controladores en paralelo. Al descargar el controlador hclge, primero intenta deshabilitar sriov para cada nodo ae_dev de hnae3_ae_dev_list. Si el usuario descarga el controlador hns3 en ese momento, debido a que elimina todos los nodos ae_dev, y puede causar errores. Pero no podemos simplemente usar hnae3_common_lock para esto. Porque en el flujo de proceso de pci_disable_sriov(), activar\u00e1 el flujo de eliminaci\u00f3n de VF, que tambi\u00e9n tomar\u00e1 hnae3_common_lock. Para solucionarlo, introduzca un nuevo mutex para proteger el proceso de descarga."
    }
  ],
  "id": "CVE-2025-21802",
  "lastModified": "2025-11-03T21:19:11.380",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2025-02-27T20:16:02.847",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
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      "url": "https://git.kernel.org/stable/c/622d92a67656e5c4d2d6ccac02d688ed995418c6"
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    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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