In the Linux kernel, the following vulnerability has been resolved:
ftrace: Avoid potential division by zero in functionstatshow()
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.
{
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21898.json"
}