CVE-2025-68281 ASoC: SDCA: bug fix while parsing mipi-sdca-control-cn-list
A memory allocation mismatch in the Linux kernel ASoC SDCA driver causes a crash when parsing control lists, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-68281?
CVE-2025-68281 is a memory corruption vulnerability in Linux, published on 16 Dec 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: SDCA: bug fix while parsing mipi-sdca-control-cn-list
"struct sdca_control" declares "values" field as integer array. But the memory allocated to it is of char array. This causes crash for sdca_parse_function API. This patch addresses the issue by allocating correct data size.
Which versions are affected by CVE-2025-68281?
How do I fix CVE-2025-68281?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-68281 being exploited?
There is no known exploitation of CVE-2025-68281 in the wild and no public exploit code.
Sources
Also known as BELL-CVE-2025-68281, DEBIAN-CVE-2025-68281, GHSA-w67p-r659-x23f, ROOT-OS-UBUNTU-2204-CVE-2025-68281, ROOT-OS-UBUNTU-2404-CVE-2025-68281, UBUNTU-CVE-2025-68281.