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In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: rndis: add spinlock for rndis response list
There's no lock for rndis response list. It could cause list corruption
if there're two different list_add at the same time like below.
It's better to add in rndis_add_response / rndis_free_response
/ rndis_get_next_response to prevent any race condition on response list.
[ 361.894299] [1: irq/191-dwc3:16979] list_add corruption.
next->prev should be prev (ffffff80651764d0),
but was ffffff883dc36f80. (next=ffffff80651764d0).
[ 361.904380] [1: irq/191-dwc3:16979] Call trace:
[ 361.904391] [1: irq/191-dwc3:16979] __list_add_valid+0x74/0x90
[ 361.904401] [1: irq/191-dwc3:16979] rndis_msg_parser+0x168/0x8c0
[ 361.904409] [1: irq/191-dwc3:16979] rndis_command_complete+0x24/0x84
[ 361.904417] [1: irq/191-dwc3:16979] usb_gadget_giveback_request+0x20/0xe4
[ 361.904426] [1: irq/191-dwc3:16979] dwc3_gadget_giveback+0x44/0x60
[ 361.904434] [1: irq/191-dwc3:16979] dwc3_ep0_complete_data+0x1e8/0x3a0
[ 361.904442] [1: irq/191-dwc3:16979] dwc3_ep0_interrupt+0x29c/0x3dc
[ 361.904450] [1: irq/191-dwc3:16979] dwc3_process_event_entry+0x78/0x6cc
[ 361.904457] [1: irq/191-dwc3:16979] dwc3_process_event_buf+0xa0/0x1ec
[ 361.904465] [1: irq/191-dwc3:16979] dwc3_thread_interrupt+0x34/0x5c
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kernel.org https://git.kernel.org/stable/c/33222d1571d7ce8c1c75f6b488f38968fa93d2d9 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/4ce247af3f30078d5b97554f1ae6200a0222c15a [No types assigned]
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kernel.org https://git.kernel.org/stable/c/669c2b178956718407af5631ccbc61c24413f038 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/9ab652d41deab49848673c3dadb57ad338485376 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/9f5d8ba538ef81cd86ea587ca3f8c77e26bea405 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/9f688aadede6b862a0a898792b1a35421c93636f [No types assigned]
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kernel.org https://git.kernel.org/stable/c/aaaba1c86d04dac8e49bf508b492f81506257da3 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/da514063440b53a27309a4528b726f92c3cfe56f [No types assigned]
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