In the Linux kernel, the following vulnerability has been resolved: parisc: Fix locking in pdc_iodc_print() firmware call Utilize pdc_lock spinlock to protect parallel modifications of the iodc_dbuf[] buffer, check length to prevent buffer overflow of iodc_dbuf[], drop the iodc_retbuf[] buffer and fix some wrong indentings.
https://git.kernel.org/stable/c/7236aae5f81f3efbd93d0601e74fc05994bc2580
https://git.kernel.org/stable/c/553bc5890ed96a8d006224c3a4673c47fee0d12a
https://git.kernel.org/stable/c/04a603058e70b8b881bb7860b8bd649f931f2591