CVE-2025-21763EPSS p16.9%
CVE-2025-21763CVE-2025-21763
linux / linux_kernel
Description
In the Linux kernel, the following vulnerability has been resolved:
neighbour: use RCU protection in __neigh_notify()
__neigh_notify() can be called without RTNL or RCU protection.
Use RCU protection to avoid potential UAF.
Scoring
| CVSS | 7.8 () |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 0.26% probability of exploitation · percentile 16.9% · 2026-10-17T12:00:28Z |
| Last modified | 2026-10-15 |