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28 lines
1.7 KiB
JSON
28 lines
1.7 KiB
JSON
{
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"id": "CVE-2021-47088",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-03-04T18:15:07.510",
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"lastModified": "2024-03-05T13:41:01.900",
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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\nmm/damon/dbgfs: protect targets destructions with kdamond_lock\n\nDAMON debugfs interface iterates current monitoring targets in\n'dbgfs_target_ids_read()' while holding the corresponding\n'kdamond_lock'. However, it also destructs the monitoring targets in\n'dbgfs_before_terminate()' without holding the lock. This can result in\na use_after_free bug. This commit avoids the race by protecting the\ndestruction with the corresponding 'kdamond_lock'."
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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: mm/damon/dbgfs: protege las destrucciones de objetivos con kdamond_lock La interfaz DAMON debugfs itera los objetivos de monitoreo actuales en 'dbgfs_target_ids_read()' mientras mantiene el correspondiente 'kdamond_lock'. Sin embargo, tambi\u00e9n destruye los objetivos de monitoreo en 'dbgfs_before_terminate()' sin mantener el bloqueo. Esto puede provocar un error use_after_free. Este compromiso evita la ejecuci\u00f3n protegiendo la destrucci\u00f3n con el correspondiente 'kdamond_lock'."
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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/330c6117a82c16a9a365a51cec5c9ab30b13245c",
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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/34796417964b8d0aef45a99cf6c2d20cebe33733",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |