What’s Vulnerable › Vulnerabilities

CVE-2022-49616: ASoC: rt7*-sdw: harden jack_detect_handler

• 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: rt7*-sdw: harden jack_detect_handler Realtek headset codec drivers typically check if the card is instantiated before proceeding with the jack detection. The rt700, rt711 and rt711-sdca are however missing a check on the card pointer, which can lead to NULL dereferences encountered in driver bind/unbind tests.

Affected products

• Linux kernel: from 5.6 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/0484271ab0ce50649329fa9dc23c50853c5b26a4
• https://git.kernel.org/stable/c/07a606e1389a63b61cb8cd591026f30529117573
• https://git.kernel.org/stable/c/1d75b73ec6d6b705cca528b36d8315e43e8d7fa5

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