CVE-2025-21763
neighbour: use RCU protection in __neigh_notify()
CVSS Score
7.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Feb 27, 2025 |
| Last Updated | May 12, 2026 |
Stay Ahead of the Next One
Get instant alerts for linux linux
Be the first to know when new high vulnerabilities affecting linux linux are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
Affected Versions
Linux / Linux
426b5303eb435d98b9bee37a807be386bc2b3320 < e1aed6be381bcd7f46d4ca9d7ef0f5f3d6a1be32 426b5303eb435d98b9bee37a807be386bc2b3320 < 8666e9aab801328c1408a19fbf4070609dc0695a 426b5303eb435d98b9bee37a807be386bc2b3320 < 40d8f2f2a373b6c294ffac394d2bb814b572ead1 426b5303eb435d98b9bee37a807be386bc2b3320 < 784eb2376270e086f7db136d154b8404edacf97b 426b5303eb435d98b9bee37a807be386bc2b3320 < 1cbb2aa90cd3fba15ad7efb5cdda28f3d1082379 426b5303eb435d98b9bee37a807be386bc2b3320 < cdd5c2a12ddad8a77ce1838ff9f29aa587de82df 426b5303eb435d98b9bee37a807be386bc2b3320 < 559307d25235e24b5424778c7332451b6c741159 426b5303eb435d98b9bee37a807be386bc2b3320 < becbd5850c03ed33b232083dd66c6e38c0c0e569
Linux / Linux
2.6.25
References
git.kernel.org: https://git.kernel.org/stable/c/e1aed6be381bcd7f46d4ca9d7ef0f5f3d6a1be32 git.kernel.org: https://git.kernel.org/stable/c/8666e9aab801328c1408a19fbf4070609dc0695a git.kernel.org: https://git.kernel.org/stable/c/40d8f2f2a373b6c294ffac394d2bb814b572ead1 git.kernel.org: https://git.kernel.org/stable/c/784eb2376270e086f7db136d154b8404edacf97b git.kernel.org: https://git.kernel.org/stable/c/1cbb2aa90cd3fba15ad7efb5cdda28f3d1082379 git.kernel.org: https://git.kernel.org/stable/c/cdd5c2a12ddad8a77ce1838ff9f29aa587de82df git.kernel.org: https://git.kernel.org/stable/c/559307d25235e24b5424778c7332451b6c741159 git.kernel.org: https://git.kernel.org/stable/c/becbd5850c03ed33b232083dd66c6e38c0c0e569 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html cert-portal.siemens.com: https://cert-portal.siemens.com/productcert/html/ssa-265688.html