In the Linux kernel, the following vulnerability has been resolved:
ipv4: use RCU protection in _iprtupdatepmtu()
_iprtupdatepmtu() must use RCU protection to make sure the net structure it reads does not disappear.
{
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/blob/cc431b3424123d84bcd7afd4de150b33f117a8ef/cves/2025/21xxx/CVE-2025-21766.json"
}