CVE-2022-49685

In the Linux kernel, the following vulnerability has been resolved: iio: trigger: sysfs: fix use-after-free on remove Ensure that the irq_work has completed before the trigger is freed. ================================================================== BUG: KASAN: use-after-free in irq_work_run_list Read of size 8 at addr 0000000064702248 by task python3/25 Call Trace: irq_work_run_list irq_work_tick update_process_times tick_sched_handle tick_sched_timer __hrtimer_run_queues hrtimer_interrupt Allocated by task 25: kmem_cache_alloc_trace iio_sysfs_trig_add dev_attr_store sysfs_kf_write kernfs_fop_write_iter new_sync_write vfs_write ksys_write sys_write Freed by task 25: kfree iio_sysfs_trig_remove dev_attr_store sysfs_kf_write kernfs_fop_write_iter new_sync_write vfs_write ksys_write sys_write ==================================================================

• linux linux kernel (>= 3.7 < 4.9.321) • linux linux kernel (>= 4.10 < 4.14.286) • linux linux kernel (>= 4.15 < 4.19.250) • linux linux kernel (>= 4.20 < 5.4.202) • linux linux kernel (>= 5.5 < 5.10.127) • linux linux kernel (>= 5.11 < 5.15.51) • linux linux kernel (>= 5.16 < 5.18.8) • linux linux kernel 5.19