Improper resource shutdown or release in Linux kernel - CVE-2026-43412
Published: May 8, 2026
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper resource shutdown or release in the q6apm ASoC component removal logic when handling ADSP stop and start events. A local user can trigger ADSP stop and start sequences to cause a denial of service.
The issue can result in a kernel NULL pointer dereference and crash during the next rebind after teardown.
How to mitigate CVE-2026-43412
Sources
- https://git.kernel.org/stable/c/0da170b9e600da6930cfb8352e4cc036db3b6159
- https://git.kernel.org/stable/c/22b05abb17e3c6ef45035141fe3d26f815ff9d30
- https://git.kernel.org/stable/c/897f32cab7945f4662a50b3841ba31c6c3204876
- https://git.kernel.org/stable/c/94bda21adb2a51f69366b847b4d80dfe50bd9fb9
- https://git.kernel.org/stable/c/a8e9cab16771b15160465783507496dc83742d8e
- https://git.kernel.org/stable/c/d6db827b430bdcca3976cebca7bd69cca03cde2c