Linux Kernel Vulnerability in IPv6 Packet Processing
CVE-2025-21765

Currently unrated

Key Information:

Vendor: Linux
Status: Linux
Vendor: CVE Published:; 27 February 2025

What is CVE-2025-21765?

A vulnerability exists in the Linux kernel's handling of IPv6 packet processing. The function ip6_default_advmss() lacks proper Read-Copy-Update (RCU) protection, which increases the risk of dereferencing a pointer to a potentially deallocated network structure. This oversight can lead to unexpected behaviors or system crashes, posing a significant risk to system integrity and performance.

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