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CVE-2022-49241: ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% 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: ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done. This function only calls of_node_put() in the regular path. And it will cause refcount leak in error path.

Affected products

• Linux kernel: from 3.12 before 5.10.110; from 5.11 before 5.15.33; from 5.16 before 5.16.19; from 5.17 before 5.17.2 — fixed in 5.10.110, 5.15.33, 5.16.19, 5.17.2

How to fix

Upgrade to a fixed version: Linux kernel 5.10.110, 5.15.33, 5.16.19, 5.17.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/14228225091a0854b1de23e5b4fe8bdeeca9683b
• https://git.kernel.org/stable/c/740dc3e846537c3743da98bf106f376023fd085c
• https://git.kernel.org/stable/c/90ac679aa6a01841da90ec5a4aaa4b5e0badddf0
• https://git.kernel.org/stable/c/f43ad5dc43240289f4cf13c16cc506f4f7087931
• https://git.kernel.org/stable/c/f589063b585ac6dd2081bde6c145411cf48d8d92

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