# CVE-2022-49685: 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.

- Web page: https://patchblox.com/security/cve/CVE-2022-49685
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0028
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 26, 2025

## Description

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

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 5.18.14-1 | [DEBIAN-CVE-2022-49685](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49685.md) | Feb 26, 2025 |
| Linux | linux Debian 13.5 (trixie) | 5.18.14-1 | [DEBIAN-CVE-2022-49685](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49685.md) | Feb 26, 2025 |
| Linux | linux Debian 14 | 5.18.14-1 | [DEBIAN-CVE-2022-49685](https://patchblox.com/security/data/fix/linux/debian-cve-2022-49685.md) | Feb 26, 2025 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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