Description

In the Linux kernel, the following vulnerability has been resolved: tty: serial: ip22zilog: Use platform device for probing After commit 84a9582fd203 ("serial: core: Start managing serial controllers to enable runtime PM") serial drivers need to provide a device in struct uart_port.dev otherwise an oops happens. To fix this issue for ip22zilog driver switch driver to a platform driver and setup the serial device in sgi-ip22 code.

References 3

• git.kernel.org https://git.kernel.org/stable/c/3fc36ae6abd263a5cbf93b2f5539eccc1fc753f7
• git.kernel.org https://git.kernel.org/stable/c/460e0dc9af2d7790d5194c6743d79f9b77b58836
• git.kernel.org https://git.kernel.org/stable/c/77a196ca904d66c8372aa8fbfc1c4ae3a66dee2e

Remediation