mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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41 lines
2.9 KiB
JSON
41 lines
2.9 KiB
JSON
{
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"id": "CVE-2024-57947",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2025-01-23T14:15:25.293",
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"lastModified": "2025-01-23T14:15:25.293",
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"vulnStatus": "Awaiting Analysis",
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"cveTags": [],
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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\nnetfilter: nf_set_pipapo: fix initial map fill\n\nThe initial buffer has to be inited to all-ones, but it must restrict\nit to the size of the first field, not the total field size.\n\nAfter each round in the map search step, the result and the fill map\nare swapped, so if we have a set where f->bsize of the first element\nis smaller than m->bsize_max, those one-bits are leaked into future\nrounds result map.\n\nThis makes pipapo find an incorrect matching results for sets where\nfirst field size is not the largest.\n\nFollowup patch adds a test case to nft_concat_range.sh selftest script.\n\nThanks to Stefano Brivio for pointing out that we need to zero out\nthe remainder explicitly, only correcting memset() argument isn't enough."
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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: netfilter: nf_set_pipapo: arregla el relleno inicial del mapa El b\u00fafer inicial tiene que ser inicializado a todos unos, pero debe restringirlo al tama\u00f1o del primer campo, no al tama\u00f1o total del campo. Despu\u00e9s de cada ronda en el paso de b\u00fasqueda del mapa, el resultado y el mapa de relleno se intercambian, as\u00ed que si tenemos un conjunto donde f->bsize del primer elemento es menor que m->bsize_max, esos unos bits se filtran en el mapa de resultados de rondas futuras. Esto hace que pipapo encuentre resultados coincidentes incorrectos para conjuntos donde el tama\u00f1o del primer campo no es el m\u00e1s grande. El parche de seguimiento agrega un caso de prueba al script de autoprueba nft_concat_range.sh. Gracias a Stefano Brivio por se\u00f1alar que necesitamos poner a cero el resto expl\u00edcitamente, solo corregir el argumento memset() no es suficiente."
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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/69b6a67f7052905e928d75a0c5871de50e686986",
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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/791a615b7ad2258c560f91852be54b0480837c93",
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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/8058c88ac0df21239daee54b5934d5c80ca9685f",
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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/957a4d1c4c5849e4515c9fb4db21bf85318103dc",
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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/9625c46ce6fd4f922595a4b32b1de5066d70464f",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |