kernel: PM / devfreq: Fix buffer overflow in trans_stat_show

This linux kernel vulnerability occurs in the power management devfreq subsystem, specifically within the transstatshow function. The code previously used a basic snprintf call to display state transition statistics, which could trigger a buffer overflow if the resulting transition table was larg...

SUSE CVE-2023-52614

In the Linux kernel, the following vulnerability has been resolved: PM / devfreq: Fix buffer overflow in transstatshow Fix buffer overflow in transstatshow. Convert simple snprintf to the more secure scnprintf with size of PAGESIZE. Add condition checking if we are exceeding PAGESIZE and exit ear...