What’s Vulnerable › Vulnerabilities

CVE-2022-49615: ASoC: rt711-sdca: fix kernel NULL pointer dereference when IO error

• 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
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: rt711-sdca: fix kernel NULL pointer dereference when IO error The initial settings will be written before the codec probe function. But, the rt711->component doesn't be assigned yet. If IO error happened during initial settings operations, it will cause the kernel panic. This patch changed component->dev to slave->dev to fix this issue.

Affected products

• Linux kernel: before 5.15.56; from 5.16 before 5.18.13; 5.19-rc1, 5.19-rc2, 5.19-rc3, 5.19-rc4, 5.19-rc5 — fixed in 5.15.56, 5.18.13

How to fix

Upgrade to a fixed version: Linux kernel 5.15.56, 5.18.13. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/1df793d479bef546569fc2e409ff8bb3f0fb8e99
• https://git.kernel.org/stable/c/269be8b2907378adf72d7347cfa43ef230351a06
• https://git.kernel.org/stable/c/7bb71133cae88d3003a3490b97864af76533072b

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