CVE-2025-38423 ASoC: codecs: wcd9375: Fix double free of regulator supplies
A double free vulnerability in the Linux kernel's wcd9375 audio codec driver allows attackers to cause a denial of service or potentially execute arbitrary code.
- 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-2025-38423?
CVE-2025-38423 is a high-severity use after free 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:
ASoC: codecs: wcd9375: Fix double free of regulator supplies
Driver gets regulator supplies in probe path with devm_regulator_bulk_get(), so should not call regulator_bulk_free() in error and remove paths to avoid double free.
Weakness: CWE-415
Which versions are affected by CVE-2025-38423?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2025-38423?
Apply the vendor's patch.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-38423 being exploited?
There is no known exploitation of CVE-2025-38423 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2025-38423, DEBIAN-CVE-2025-38423, GHSA-rvp5-xxqc-hg2f, UBUNTU-CVE-2025-38423.