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1.7 KiB
1.7 KiB
CVE-2025-21898
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 becauserec->time * rec->time overflow will likely happen earlier.
POC
Reference
No PoCs from references.