CyberRota Analysis
AI-GeneratedThe vulnerability affects the Linux kernel's AMBA PL011 serial driver, where the `dmaengine_terminate_all()` function fails to synchronize properly, allowing a transmission callback to access a freed TX buffer. This could lead to potential memory corruption and data integrity issues. Organizations utilizing the Linux kernel in environments where the AMBA PL011 driver is deployed should prioritize addressing this vulnerability to mitigate risks associated with data corruption and system instability.
Original NVD Description
In the Linux kernel, the following vulnerability has been resolved: serial: amba-pl011: synchronize DMA teardown dmaengine_terminate_all() does not wait for a running callback, so the TX callback can still touch the TX buffer after it is freed. The RX poll timer reads the RX buffers without the port lock. Switch to dmaengine_terminate_sync() and delete the RX timer before freeing the buffers.