fkie_cve-2024-26820
Vulnerability from fkie_nvd
Published
2024-04-17 10:15
Modified
2025-03-27 21:08
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: hv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed If hv_netvsc driver is unloaded and reloaded, the NET_DEVICE_REGISTER handler cannot perform VF register successfully as the register call is received before netvsc_probe is finished. This is because we register register_netdevice_notifier() very early( even before vmbus_driver_register()). To fix this, we try to register each such matching VF( if it is visible as a netdevice) at the end of netvsc_probe.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/309ef7de5d840e17607e7d65cbf297c0564433efPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/4d29a58d96a78728cb01ee29ed70dc4bd642f135Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5b10a88f64c0315cfdef45de0aaaa4eef57de0b7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9cae43da9867412f8bd09aee5c8a8dc5e8dc3dc2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/a71302c8638939c45e4ba5a99ea438185fd3f418Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b6d46f306b3964d05055ddaa96b58cd8bd3a472cPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bcb7164258d0a9a8aa2e73ddccc2d78f67d2519dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c7441c77c91e47f653104be8353b44a3366a5366Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/309ef7de5d840e17607e7d65cbf297c0564433efPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/4d29a58d96a78728cb01ee29ed70dc4bd642f135Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5b10a88f64c0315cfdef45de0aaaa4eef57de0b7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9cae43da9867412f8bd09aee5c8a8dc5e8dc3dc2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/a71302c8638939c45e4ba5a99ea438185fd3f418Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/b6d46f306b3964d05055ddaa96b58cd8bd3a472cPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bcb7164258d0a9a8aa2e73ddccc2d78f67d2519dPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c7441c77c91e47f653104be8353b44a3366a5366Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.htmlMailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00020.htmlMailing List
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 6.8
linux linux_kernel 6.8
linux linux_kernel 6.8
debian debian_linux 10.0


To clipboard 

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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed\n\nIf hv_netvsc driver is unloaded and reloaded, the NET_DEVICE_REGISTER\nhandler cannot perform VF register successfully as the register call\nis received before netvsc_probe is finished. This is because we\nregister register_netdevice_notifier() very early( even before\nvmbus_driver_register()).\nTo fix this, we try to register each such matching VF( if it is visible\nas a netdevice) at the end of netvsc_probe."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: hv_netvsc: registre VF en netvsc_probe si se perdi\u00f3 NET_DEVICE_REGISTER. Si el controlador hv_netvsc se descarga y se vuelve a cargar, el controlador NET_DEVICE_REGISTER no puede realizar el registro VF exitosamente ya que la llamada de registro se recibe antes de que finalice netvsc_probe. Esto se debe a que registramos Register_netdevice_notifier() muy temprano (incluso antes de vmbus_driver_register()). Para solucionar este problema, intentamos registrar cada VF coincidente (si es visible como un dispositivo de red) al final de netvsc_probe."
    }
  ],
  "id": "CVE-2024-26820",
  "lastModified": "2025-03-27T21:08:08.837",
  "metrics": {
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        "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": "2024-04-17T10:15:08.867",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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