CVE-2022-50574: drm/omap: dss: Fix refcount leak bugs

Severity: unknown
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: 2025-10-22 · updated 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: drm/omap: dss: Fix refcount leak bugs In dss_init_ports() and __dss_uninit_ports(), we should call of_node_put() for the reference returned by of_graph_get_port_by_id() in fail path or when it is not used anymore.

Affected products

Linux kernel: 4.12 — fixed in 6.1

How to fix

Upgrade to a fixed version: Linux kernel 6.1. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/1f340e1c1c74d11c45a6e32663829b26acd4f47b
https://git.kernel.org/stable/c/8b42057e62120813ebe9274f508fa785b7cab33a
https://git.kernel.org/stable/c/8f7c4114db841497e1148598e22548dd1f700b22
https://git.kernel.org/stable/c/9d7af9b1624dd70b67354972d7297429e6372091
https://git.kernel.org/stable/c/a5ce83e85d795ec98697039ecc518b21d5810adc
https://git.kernel.org/stable/c/e55261beb86a15c190b2ff9090cb47bc06765353

Get alerted when CVE-2022-50574 or the next vulnerability affects your stack