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CVE-2025-21898
MEDIUM · CVSS 5.5
EPSS exploitation probability: 0%
Published 2025-04-01T16:15:20.190 · Last modified 2026-06-17T08:44:33.520

Summary

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 products

linux — linux_kernel

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.