imPC@ndo IT

Tracker / CVE-2025-21762

CVE-2025-21762

High 8.1

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.

Affected products and versions

linux linux_kernel
linux linux_kernel · 4.4 → 5.4.291
linux linux_kernel · 5.11 → 5.15.179
linux linux_kernel · 5.16 → 6.1.129
linux linux_kernel · 5.5 → 5.10.235
linux linux_kernel · 6.13 → 6.13.4
linux linux_kernel · 6.2 → 6.6.79
linux linux_kernel · 6.7 → 6.12.16

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References