← Database

CVE-2025-21898

MEDIUM CVSS: 5.5 Published: 2025-04-01 Modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: ftrace: Avoid potential division by zero in function_stat_show() Check whether denominator expression x * (x - 1) * 1000 mod {2^32, 2^64} produce zero and skip stddev computation in that case. For now don't care about rec->counter * rec->counter overflow because rec->time * rec->time overflow will likely happen earlier.

Affected Platforms

Linux Linux Kernel

Weakness Type

CWE-369, CWE-369

References