UBUNTU-CVE-2023-54287

In the Linux kernel, the following vulnerability has been resolved: tty: serial: imx: disable Ageing Timer interrupt request irq There maybe pending USR interrupt before requesting irq, however uartaddoneport has not executed, so there will be kernel panic: 0.795668 Unable to handle kernel NULL...

CVE-2023-54287

Summary of CVE-2023-54287 (Linux kernel, i.MX8MP) : The issue arises in the serial/tty imx driver when Jailhouse is enabled, potentially causing a kernel panic due to a NULL pointer dereference from a pending USR interrupt while the IRQ is not yet requested. The root cause is unsafe handling of t...