cve-2024-26820
Vulnerability from cvelistv5
Published
2024-04-17 09:43
Modified
2024-11-05 09:16
Severity ?
EPSS score ?
Summary
hv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed
References
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"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."
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"title": "hv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed",
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"nvd": "{\"cve\":{\"id\":\"CVE-2024-26820\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T10:15:08.867\",\"lastModified\":\"2024-11-05T10:15:52.750\",\"vulnStatus\":\"Awaiting Analysis\",\"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.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/309ef7de5d840e17607e7d65cbf297c0564433ef\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4d29a58d96a78728cb01ee29ed70dc4bd642f135\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5b10a88f64c0315cfdef45de0aaaa4eef57de0b7\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9cae43da9867412f8bd09aee5c8a8dc5e8dc3dc2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a71302c8638939c45e4ba5a99ea438185fd3f418\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/b6d46f306b3964d05055ddaa96b58cd8bd3a472c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/bcb7164258d0a9a8aa2e73ddccc2d78f67d2519d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c7441c77c91e47f653104be8353b44a3366a5366\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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