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Change History

In the Linux kernel, the following vulnerability has been resolved:

net/mlx5: Use del_timer_sync in fw reset flow of halting poll

Substitute del_timer() with del_timer_sync() in fw reset polling
deactivation flow, in order to prevent a race condition which occurs
when del_timer() is called and timer is deactivated while another
process is handling the timer interrupt. A situation that led to
the following call trace:
	RIP: 0010:run_timer_softirq+0x137/0x420
	<IRQ>
	recalibrate_cpu_khz+0x10/0x1

kernel.org https://git.kernel.org/stable/c/2a038dd1d942f8fbc495c58fa592ff24af05f1c2 [No types assigned]

kernel.org https://git.kernel.org/stable/c/3c5193a87b0fea090aa3f769d020337662d87b5e [No types assigned]

kernel.org https://git.kernel.org/stable/c/502c37b033fab7cde3e95a570af4f073306be45e [No types assigned]

kernel.org https://git.kernel.org/stable/c/f895ebeb44d09d02674cfdd0cfc2bf687603918c [No types assigned]