CVE-2025-21763

Description

In the Linux kernel, the following vulnerability has been resolved: neighbour: use RCU protection in __neigh_notify() __neigh_notify() can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF.

Affected Platforms

Weakness Type

CWE-416

References

• https://git.kernel.org/stable/c/1cbb2aa90cd3fba15ad7efb5cdda28f3d1082379
• https://git.kernel.org/stable/c/40d8f2f2a373b6c294ffac394d2bb814b572ead1
• https://git.kernel.org/stable/c/559307d25235e24b5424778c7332451b6c741159
• https://git.kernel.org/stable/c/784eb2376270e086f7db136d154b8404edacf97b
• https://git.kernel.org/stable/c/8666e9aab801328c1408a19fbf4070609dc0695a
• https://git.kernel.org/stable/c/becbd5850c03ed33b232083dd66c6e38c0c0e569