CVE-2025-21762

HIGH

Linux Kernel 4.4-6.13.4 Use-After-Free in arp_xmit()

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 7.8
EPSS 0.0023
EPSS Percentile 13.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-416
Status published
Products (27)
linux/Kernel 4.4.0 - 5.4.291linux
linux/Kernel 5.11.0 - 5.15.179linux
linux/Kernel 5.16.0 - 6.1.129linux
linux/Kernel 5.5.0 - 5.10.235linux
linux/Kernel 6.13.0 - 6.13.4linux
linux/Kernel 6.2.0 - 6.6.79linux
linux/Kernel 6.7.0 - 6.12.16linux
Linux/Linux < 4.4
Linux/Linux 29a26a56803855a79dbd028cd61abee56237d6e5 - 01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe
Linux/Linux 29a26a56803855a79dbd028cd61abee56237d6e5 - 10f555e3f573d004ae9d89b3276abb58c4ede5c3
... and 17 more
Published Feb 27, 2025
Tracked Since Feb 18, 2026