VYPR
High severity7.8NVD Advisory· Published Feb 27, 2025· Updated Jun 17, 2026

CVE-2025-21764

CVE-2025-21764

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.

AI Insight

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Affected products

247

Patches

Vulnerability mechanics

References

11

News mentions

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