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https://github.com/fkie-cad/nvd-json-data-feeds.git
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44 lines
2.5 KiB
JSON
44 lines
2.5 KiB
JSON
{
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"id": "CVE-2021-47058",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-02-29T23:15:07.640",
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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\nregmap: set debugfs_name to NULL after it is freed\n\nThere is a upstream commit cffa4b2122f5(\"regmap:debugfs:\nFix a memory leak when calling regmap_attach_dev\") that\nadds a if condition when create name for debugfs_name.\nWith below function invoking logical, debugfs_name is\nfreed in regmap_debugfs_exit(), but it is not created again\nbecause of the if condition introduced by above commit.\nregmap_reinit_cache()\n\tregmap_debugfs_exit()\n\t...\n\tregmap_debugfs_init()\nSo, set debugfs_name to NULL after it is freed."
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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 resolvi\u00f3 la siguiente vulnerabilidad: regmap: establece debugfs_name en NULL despu\u00e9s de liberarlo. Hay una confirmaci\u00f3n ascendente cffa4b2122f5(\"regmap:debugfs: corrige una p\u00e9rdida de memoria al llamar a regmap_attach_dev\") que agrega una condici\u00f3n if al crear nombre para debugfs_name. Con la siguiente funci\u00f3n que invoca l\u00f3gica, debugfs_name se libera en regmap_debugfs_exit(), pero no se vuelve a crear debido a la condici\u00f3n if introducida por la confirmaci\u00f3n anterior. regmap_reinit_cache() regmap_debugfs_exit() ... regmap_debugfs_init() Entonces, establezca debugfs_name en NULL despu\u00e9s de liberarlo."
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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/2dc1554d5f0fdaf47cc5bea442b84b9226fea867",
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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/b9e569ae1da3a113b3acee8703c94777fd20938a",
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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/c764e375ae647832de1ee73d43a4bb3ef8a8f43d",
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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/d8897f7b2283a500666c85ef06e820df38ed7b52",
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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/e41a962f82e7afb5b1ee644f48ad0b3aee656268",
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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/eb949f891226c012138ffd9df90d1e509f428ae6",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |