UBUNTU-CVE-2022-50375

In the Linux kernel, the following vulnerability has been resolved: tty: serial: fsllpuart: disable dma rx/tx use flags in lpuartdmashutdown lpuartdmashutdown tears down lpuart dma, but lpuartflushbuffer can still occur which in turn tries to access dma apis if lpuartdmatxuse flag is true. At thi...

CVE-2022-50375 tty: serial: fsl_lpuart: disable dma rx/tx use flags in lpuart_dma_shutdown

In the Linux kernel, the following vulnerability has been resolved: tty: serial: fsllpuart: disable dma rx/tx use flags in lpuartdmashutdown lpuartdmashutdown tears down lpuart dma, but lpuartflushbuffer can still occur which in turn tries to access dma apis if lpuartdmatxuse flag is true. At thi...

PT-2022-35317 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.75 Description: The issue is related to the fsl lpuart serial driver in the Linux Kernel, where the DMA RX/TX use flags are not properly disabled in the lpuart dma shutdown function. This could potentially...