CVE-2026-53065 ASoC: sti: use managed regmap_field allocations
A memory leak in the Linux kernel's STI audio driver can exhaust resources, potentially 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-2026-53065?
CVE-2026-53065 is a medium-severity denial of service vulnerability in Linux kernel, published on 24 Jun 2026. 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: sti: use managed regmap_field allocations
The regmap_field objects allocated at player init are never freed and may leak resources if the driver is removed.
Switch to devm_regmap_field_alloc() to automatically limit the lifetime of the allocations the lifetime of the device.
Weakness: CWE-401
Which versions are affected by CVE-2026-53065?
It affects 1 product.
Products include Linux kernel.
How do I fix CVE-2026-53065?
Apply the vendor's patch.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-53065 being exploited?
There is no known exploitation of CVE-2026-53065 in the wild and no public exploit code.
Other vulnerabilities in Linux kernel
Sources
Also known as BELL-CVE-2026-53065, DEBIAN-CVE-2026-53065, GHSA-gq3q-5vrm-rgm7, ROOT-OS-DEBIAN-11-CVE-2026-53065, ROOT-OS-DEBIAN-12-CVE-2026-53065, ROOT-OS-UBUNTU-2204-CVE-2026-53065 and 2 more.