CVE-2022-49387 Information

Description

In the Linux kernel the following vulnerability has been resolved:

watchdog: rzg2l_wdt: Fix 32bit overflow issue

The value of timer_cycle_us can be 0 due to 32bit overflow. For eg:- If we assign the counter value �f\ for computing maxval.

This patch fixes this issue by appending ULL to 1024 so that it is promoted to 64bit.

This patch also fixes the warning message ‘watchdog: Invalid min and max timeout values resetting to 0!’.

Reference

https://git.kernel.org/stable/c/b95a47667d34e76c2c9013f8e3b1e5039a5a0b76 https://git.kernel.org/stable/c/e07b9fa0dc32b492de85528caaf9f0c605d8424f https://git.kernel.org/stable/c/ea2949df22a533cdf75e4583c00b1ce94cd5a83b