# CVE-2022-50561: linux: In the Linux kernel, the following vulnerability has been resolved:  iio: fix memory leak in iio_device_register_even...

CVE-2022-50561 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-50561, released October 22, 2025. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2022-50561
- Priority: Routine
- CVSS: n/a
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 22, 2025

## Description

In the Linux kernel, the following vulnerability has been resolved:  iio: fix memory leak in iio_device_register_eventset()  When iio_device_register_sysfs_group() returns failed, iio_device_register_eventset() needs to free attrs array.  Otherwise, kmemleak would scan & report memory leak as below:  unreferenced object 0xffff88810a1cc3c0 (size 32):   comm "100-i2c-vcnl302", pid 728, jiffies 4295052307 (age 156.027s)   backtrace:     __kmalloc+0x46/0x1b0     iio_device_register_eventset at drivers/iio/industrialio-event.c:541     __iio_device_register at drivers/iio/industrialio-core.c:1959     __devm_iio_device_register at drivers/iio/industrialio-core.c:2040

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.4-1 | [DEBIAN-CVE-2022-50561](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50561.md) | Oct 22, 2025 |
| Linux | linux Debian 13.5 (trixie) | 6.1.4-1 | [DEBIAN-CVE-2022-50561](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50561.md) | Oct 22, 2025 |
| Linux | linux Debian 14 | 6.1.4-1 | [DEBIAN-CVE-2022-50561](https://patchblox.com/security/data/fix/linux/debian-cve-2022-50561.md) | Oct 22, 2025 |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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