CVE-2025-21764

High

Open

TLP:CLEAR

ndisc: use RCU protection in ndisc_alloc_skb()

NVD CVE.org

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Description

In the Linux kernel, the following vulnerability has been resolved: ndisc: use RCU protection in ndisc_alloc_skb() ndisc_alloc_skb() can be called without RTNL or RCU being held. Add RCU protection to avoid possible UAF.

Details

CVSS Score: 7.8
EPSS Score ⓘ: 0.26%

17.6th percentile
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Confidence: 90%
Published: Feb 27, 2025
Last Modified: Aug 5, 2026

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