CVE-2025-38454 ALSA: ad1816a: Fix potential NULL pointer deref in snd_card_ad1816a_pnp()
A NULL pointer dereference in the ALSA ad1816a 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-2025-38454?
CVE-2025-38454 is a medium-severity vulnerability in Linux kernel, published on 25 Jul 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:
ALSA: ad1816a: Fix potential NULL pointer deref in snd_card_ad1816a_pnp()
Use pr_warn() instead of dev_warn() when 'pdev' is NULL to avoid a potential NULL pointer dereference.
Weakness: CWE-476
Which versions are affected by CVE-2025-38454?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38454?
Apply the vendor's patch.
Is CVE-2025-38454 being exploited?
There is no known exploitation of CVE-2025-38454 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-38454, DEBIAN-CVE-2025-38454, GHSA-h9rq-x9r5-2g43, UBUNTU-CVE-2025-38454.