linux: In the Linux kernel, the following vulnerability has been resolved: iio: trigger: sysfs: fix use-after-free on remov...
CVE-2022-49685 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49685, released February 26, 2025. It is not reported as exploited. Patch Radar priority: High.
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 ==================================================================
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 5.18.14-1 | DEBIAN-CVE-2022-49685 | Feb 26, 2025 |
| linux · Debian 13.5 (trixie) | 5.18.14-1 | DEBIAN-CVE-2022-49685 | Feb 26, 2025 |
| linux · Debian 14 | 5.18.14-1 | DEBIAN-CVE-2022-49685 | Feb 26, 2025 |
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