mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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56 lines
3.5 KiB
JSON
56 lines
3.5 KiB
JSON
{
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"id": "CVE-2024-27043",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-05-01T13:15:49.740",
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"lastModified": "2024-05-01T19:50:25.633",
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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\nmedia: edia: dvbdev: fix a use-after-free\n\nIn dvb_register_device, *pdvbdev is set equal to dvbdev, which is freed\nin several error-handling paths. However, *pdvbdev is not set to NULL\nafter dvbdev's deallocation, causing use-after-frees in many places,\nfor example, in the following call chain:\n\nbudget_register\n |-> dvb_dmxdev_init\n |-> dvb_register_device\n |-> dvb_dmxdev_release\n |-> dvb_unregister_device\n |-> dvb_remove_device\n |-> dvb_device_put\n |-> kref_put\n\nWhen calling dvb_unregister_device, dmxdev->dvbdev (i.e. *pdvbdev in\ndvb_register_device) could point to memory that had been freed in\ndvb_register_device. Thereafter, this pointer is transferred to\nkref_put and triggering a use-after-free."
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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: medios: edia: dvbdev: corregir un use-after-free En dvb_register_device, *pdvbdev se establece igual a dvbdev, que se libera en varias rutas de manejo de errores. Sin embargo, *pdvbdev no se establece en NULL despu\u00e9s de la desasignaci\u00f3n de dvbdev, lo que provoca use-after-free en muchos lugares, por ejemplo, en la siguiente cadena de llamadas: Budget_register |-> dvb_dmxdev_init |-> dvb_register_device |-> dvb_dmxdev_release |-> dvb_unregister_device | -> dvb_remove_device |-> dvb_device_put |-> kref_put Al llamar a dvb_unregister_device, dmxdev->dvbdev (es decir, *pdvbdev en dvb_register_device) podr\u00eda apuntar a la memoria que se hab\u00eda liberado en dvb_register_device. A partir de entonces, este puntero se transfiere a kref_put y se activa un use-after-free."
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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/096237039d00c839f3e3a5fe6d001bf0db45b644",
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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/0d3fe80b6d175c220b3e252efc6c6777e700e98e",
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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/35674111a043b0482a9bc69da8850a83f465b07d",
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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/437a111f79a2f5b2a5f21e27fdec6f40c8768712",
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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/779e8db7efb22316c8581d6c229636d2f5694a62",
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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/8c64f4cdf4e6cc5682c52523713af8c39c94e6d5",
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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/b7586e902128e4fb7bfbb661cb52e4215a65637b",
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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/d0f5c28333822f9baa5280d813124920720fd856",
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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/f20c3270f3ed5aa6919a87e4de9bf6c05fb57086",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |