CVE-2022-50066

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> net: atlantic: fix aq_vec index out of range error<br /> <br /> The final update statement of the for loop exceeds the array range, the<br /> dereference of self-&gt;aq_vec[i] is not checked and then leads to the<br /> index out of range error.<br /> Also fixed this kind of coding style in other for loop.<br /> <br /> [ 97.937604] UBSAN: array-index-out-of-bounds in drivers/net/ethernet/aquantia/atlantic/aq_nic.c:1404:48<br /> [ 97.937607] index 8 is out of range for type &amp;#39;aq_vec_s *[8]&amp;#39;<br /> [ 97.937608] CPU: 38 PID: 3767 Comm: kworker/u256:18 Not tainted 5.19.0+ #2<br /> [ 97.937610] Hardware name: Dell Inc. Precision 7865 Tower/, BIOS 1.0.0 06/12/2022<br /> [ 97.937611] Workqueue: events_unbound async_run_entry_fn<br /> [ 97.937616] Call Trace:<br /> [ 97.937617] <br /> [ 97.937619] dump_stack_lvl+0x49/0x63<br /> [ 97.937624] dump_stack+0x10/0x16<br /> [ 97.937626] ubsan_epilogue+0x9/0x3f<br /> [ 97.937627] __ubsan_handle_out_of_bounds.cold+0x44/0x49<br /> [ 97.937629] ? __scm_send+0x348/0x440<br /> [ 97.937632] ? aq_vec_stop+0x72/0x80 [atlantic]<br /> [ 97.937639] aq_nic_stop+0x1b6/0x1c0 [atlantic]<br /> [ 97.937644] aq_suspend_common+0x88/0x90 [atlantic]<br /> [ 97.937648] aq_pm_suspend_poweroff+0xe/0x20 [atlantic]<br /> [ 97.937653] pci_pm_suspend+0x7e/0x1a0<br /> [ 97.937655] ? pci_pm_suspend_noirq+0x2b0/0x2b0<br /> [ 97.937657] dpm_run_callback+0x54/0x190<br /> [ 97.937660] __device_suspend+0x14c/0x4d0<br /> [ 97.937661] async_suspend+0x23/0x70<br /> [ 97.937663] async_run_entry_fn+0x33/0x120<br /> [ 97.937664] process_one_work+0x21f/0x3f0<br /> [ 97.937666] worker_thread+0x4a/0x3c0<br /> [ 97.937668] ? process_one_work+0x3f0/0x3f0<br /> [ 97.937669] kthread+0xf0/0x120<br /> [ 97.937671] ? kthread_complete_and_exit+0x20/0x20<br /> [ 97.937672] ret_from_fork+0x22/0x30<br /> [ 97.937676] <br /> <br /> v2. fixed "warning: variable &amp;#39;aq_vec&amp;#39; set but not used"<br /> <br /> v3. simplified a for loop