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Status published
Unknown
CVE-2025-21763
neighbour: use RCU protection in __neigh_notify()
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/e1aed6be381bcd7f46d4ca9d7ef0f5f3d6a1be32
- https://git.kernel.org/stable/c/8666e9aab801328c1408a19fbf4070609dc0695a
- https://git.kernel.org/stable/c/40d8f2f2a373b6c294ffac394d2bb814b572ead1
- https://git.kernel.org/stable/c/784eb2376270e086f7db136d154b8404edacf97b
- https://git.kernel.org/stable/c/1cbb2aa90cd3fba15ad7efb5cdda28f3d1082379
- https://git.kernel.org/stable/c/cdd5c2a12ddad8a77ce1838ff9f29aa587de82df
- https://git.kernel.org/stable/c/559307d25235e24b5424778c7332451b6c741159
- https://git.kernel.org/stable/c/becbd5850c03ed33b232083dd66c6e38c0c0e569
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
426b5303eb435d98b9bee37a807be386bc2b3320, 2.6.25, 0, 5.4.291, 5.10.235, 5.15.179, 6.1.129, 6.6.79, 6.12.16, 6.13.4, 6.14
Timeline
Official Publish:
February 27th, 2025
Last Modified:
May 12th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.