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Description |
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In the Linux kernel, the following vulnerability has been resolved:
Bluetooth: Fix not cleanup led when bt_init fails
bt_init() calls bt_leds_init() to register led, but if it fails later,
bt_leds_cleanup() is not called to unregister it.
This can cause panic if the argument "bluetooth-power" in text is freed
and then another led_trigger_register() tries to access it:
BUG: unable to handle page fault for address: ffffffffc06d3bc0
RIP: 0010:strcmp+0xc/0x30
Call Trace:
<TASK>
led_trigger_register+0x10d/0x4f0
led_trigger_register_simple+0x7d/0x100
bt_init+0x39/0xf7 [bluetooth]
do_one_initcall+0xd0/0x4e0
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kernel.org https://git.kernel.org/stable/c/2c6cf0afc3856359e620e96edd952457d258e16c [No types assigned]
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kernel.org https://git.kernel.org/stable/c/2f3957c7eb4e07df944169a3e50a4d6790e1c744 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/5ecf7cd6fde5e72c87122084cf00d63e35d8dd9f [No types assigned]
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kernel.org https://git.kernel.org/stable/c/8a66c3a94285552f6a8e45d73b34ebbad11d388b [No types assigned]
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kernel.org https://git.kernel.org/stable/c/e7b950458156d410509a08c41930b75e72985938 [No types assigned]
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kernel.org https://git.kernel.org/stable/c/edf7284a98296369dd0891a0457eec37df244873 [No types assigned]
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