CVE-2025-21762

high

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.

References

https://git.kernel.org/stable/c/f189654459423d4d48bef2d120b4bfba559e6039

https://git.kernel.org/stable/c/e9f4dee534eb1b225b0a120395ad9bc2afe164d3

https://git.kernel.org/stable/c/a42b69f692165ec39db42d595f4f65a4c8f42e44

https://git.kernel.org/stable/c/2c331718d3389b6c5f6855078ab7171849e016bd

https://git.kernel.org/stable/c/01d1b5c9abcaff29a43f1d17a19c33eec92c7dbe

Details

Source: Mitre, NVD

Published: 2025-02-27

Updated: 2025-02-27

Risk Information

CVSS v2

Base Score: 7.2

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H