CVE-2025-21762
CVE-2025-21762CVE-2025-21762
linux / linux_kernel
Description
In the Linux kernel, the following vulnerability has been resolved:
arp: use RCU protection in arp_xmit()
arp_xmit() can be called without RTNL or RCU protection.
Use RCU protection to avoid potential UAF.
Scoring
| CVSS | 8.1 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Last modified | 2026-07-30 |