CVE-2025-37919 ASoC: amd: acp: Fix NULL pointer deref in acp_i2s_set_tdm_slot

Medium 5.5 Published Updated

A NULL pointer dereference in the AMD ACP I2S driver can cause a kernel crash, leading to denial of service.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2025-37919?

CVE-2025-37919 is a medium-severity vulnerability in Linux kernel, published on 20 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In the Linux kernel, the following vulnerability has been resolved:

ASoC: amd: acp: Fix NULL pointer deref in acp_i2s_set_tdm_slot

Update chip data using dev_get_drvdata(dev->parent) to fix NULL pointer deref in acp_i2s_set_tdm_slot.

Weakness: CWE-476

Which versions are affected by CVE-2025-37919?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2025-37919?

Apply the vendor's patch.

Is CVE-2025-37919 being exploited?

There is no known exploitation of CVE-2025-37919 in the wild and no public exploit code.

All Linux kernel vulnerabilities

Sources

Also known as BELL-CVE-2025-37919, DEBIAN-CVE-2025-37919, GHSA-fvf9-3qq7-4jxj, UBUNTU-CVE-2025-37919.

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