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28 lines
2.5 KiB
JSON
28 lines
2.5 KiB
JSON
{
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"id": "CVE-2021-47569",
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"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"published": "2024-05-24T15:15:22.203",
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"lastModified": "2024-05-24T18:09:20.027",
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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\nio_uring: fail cancellation for EXITING tasks\n\nWARNING: CPU: 1 PID: 20 at fs/io_uring.c:6269 io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269\nCPU: 1 PID: 20 Comm: kworker/1:0 Not tainted 5.16.0-rc1-syzkaller #0\nWorkqueue: events io_fallback_req_func\nRIP: 0010:io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269\nCall Trace:\n <TASK>\n io_req_task_link_timeout+0x6b/0x1e0 fs/io_uring.c:6886\n io_fallback_req_func+0xf9/0x1ae fs/io_uring.c:1334\n process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298\n worker_thread+0x658/0x11f0 kernel/workqueue.c:2445\n kthread+0x405/0x4f0 kernel/kthread.c:327\n ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295\n </TASK>\n\nWe need original task's context to do cancellations, so if it's dying\nand the callback is executed in a fallback mode, fail the cancellation\nattempt."
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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: io_uring: cancelaci\u00f3n fallida para tareas SALIDAS ADVERTENCIA: CPU: 1 PID: 20 en fs/io_uring.c:6269 io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269 CPU: 1 PID: 20 Comm: kworker/1:0 No contaminado 5.16.0-rc1-syzkaller #0 Cola de trabajo: eventos io_fallback_req_func RIP: 0010:io_try_cancel_userdata+0x3c5/0x640 fs/io_uring.c:6269 Seguimiento de llamadas: io_req_task_link_timeout+0x6b /0x1e0 fs/io_uring.c:6886 io_fallback_req_func+0xf9/0x1ae fs/io_uring.c:1334 Process_one_work+0x9b2/0x1690 kernel/workqueue.c:2298 trabajador_thread+0x658/0x11f0 kernel/workqueue.c:2445 kthread+0x405/0 x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Necesitamos el contexto de la tarea original para realizar cancelaciones, por lo que si est\u00e1 muriendo y la devoluci\u00f3n de llamada se ejecuta en modo alternativo, fallar el intento de cancelaci\u00f3n."
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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/3d2a1e68fd9904fdc1b02f2e7d40ca47df7ba39f",
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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/617a89484debcd4e7999796d693cf0b77d2519de",
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"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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}
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]
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} |