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CVE-2025-38308: ASoC: Intel: avs: Fix possible null-ptr-deref when initing hw

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-10 · updated 2026-06-17
• Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: avs: Fix possible null-ptr-deref when initing hw Search result of avs_dai_find_path_template() shall be verified before being used. As 'template' is already known when avs_hw_constraints_init() is fired, drop the search entirely.

Affected products

• Linux kernel: from 6.15.1 before 6.15.3; 6.15, 6.15-rc3, 6.15-rc4, 6.15-rc5, 6.15-rc6, 6.15-rc7 — fixed in 6.15.3

How to fix

Upgrade to a fixed version: Linux kernel 6.15.3. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/2f78724d4f0c665c83e202e3989d5333a2cb1036
• https://git.kernel.org/stable/c/ea218ae05e60616531fe652650b98dcd3c328279

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