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https://github.com/fkie-cad/nvd-json-data-feeds.git
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36 lines
2.3 KiB
JSON
36 lines
2.3 KiB
JSON
{
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"id": "CVE-2021-47063",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-02-29T23:15:07.893",
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"lastModified": "2024-03-01T14:04:26.010",
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"vulnStatus": "Awaiting Analysis",
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: bridge/panel: Cleanup connector on bridge detach\n\nIf we don't call drm_connector_cleanup() manually in\npanel_bridge_detach(), the connector will be cleaned up with the other\nDRM objects in the call to drm_mode_config_cleanup(). However, since our\ndrm_connector is devm-allocated, by the time drm_mode_config_cleanup()\nwill be called, our connector will be long gone. Therefore, the\nconnector must be cleaned up when the bridge is detached to avoid\nuse-after-free conditions.\n\nv2: Cleanup connector only if it was created\n\nv3: Add FIXME\n\nv4: (Use connector->dev) directly in if() block"
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},
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{
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"lang": "es",
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"value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drm: bridge/panel: Limpiar conector en bridge detach Si no llamamos a drm_connector_cleanup() manualmente en panel_bridge_detach(), el conector se limpiar\u00e1 con los dem\u00e1s objetos DRM en la llamada a drm_mode_config_cleanup(). Sin embargo, dado que nuestro drm_connector est\u00e1 asignado por devm, para cuando se llame a drm_mode_config_cleanup(), nuestro conector ya no existir\u00e1. Por lo tanto, el conector debe limpiarse cuando se retira el puente para evitar condiciones de uso despu\u00e9s de su liberaci\u00f3n. v2: Limpiar el conector solo si fue creado v3: Agregar FIXME v4: (Usar conector->dev) directamente en el bloque if()"
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}
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],
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"metrics": {},
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/18149b420c9bd93c443e8d1f48a063d71d9f6aa1",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/4d906839d321c2efbf3fed4bc31ffd9ff55b75c0",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/98d7d76a74e48ec3ddf2e23950adff7edcab9327",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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},
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{
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"url": "https://git.kernel.org/stable/c/ce450934a00cf896e648fde08d0bd1426653d7a2",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |