CVE-2025-21766

High

Open

TLP:CLEAR

ipv4: use RCU protection in __ip_rt_update_pmtu()

NVD CVE.org

Critical Infrastructure

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Description

In the Linux kernel, the following vulnerability has been resolved: ipv4: use RCU protection in __ip_rt_update_pmtu() __ip_rt_update_pmtu() must use RCU protection to make sure the net structure it reads does not disappear.

Details

CVSS Score: 8.1
EPSS Score ⓘ: 0.52%

41.6th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/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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