CVE-2022-49684: iio: adc: aspeed: Fix refcount leak in aspeed_adc_set_trim_data

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-02-26 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: iio: adc: aspeed: Fix refcount leak in aspeed_adc_set_trim_data of_find_node_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() to avoid refcount leak.

Affected products

Linux kernel: from 5.16 before 5.18.8; 5.19-rc1, 5.19-rc2, 5.19-rc3 — fixed in 5.18.8

How to fix

Upgrade to a fixed version: Linux kernel 5.18.8. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/8a2b6b5687984a010ed094b4f436a2f091987758
https://git.kernel.org/stable/c/9664491db50a84be92696c8fad2c3b49a7a5f36f

Get alerted when CVE-2022-49684 or the next vulnerability affects your stack