Detections
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CVE-2025-21764
high
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.
References
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
https://git.kernel.org/stable/c/cd1065f92eb7ff21b9ba5308a86f33d1670bf926
https://git.kernel.org/stable/c/c30893ef3d9cde8e7e8e4fd06b53d2c935bbccb1
https://git.kernel.org/stable/c/bbec88e4108e8d6fb468d3817fa652140a44ff28
https://git.kernel.org/stable/c/b870256dd2a5648d5ed2f22316b3ac29a7e5ed63
https://git.kernel.org/stable/c/9e0ec817eb41a55327a46cd3ce331a9868d60304
https://git.kernel.org/stable/c/96fc896d0e5b37c12808df797397fb16f3080879
https://git.kernel.org/stable/c/628e6d18930bbd21f2d4562228afe27694f66da9
https://git.kernel.org/stable/c/3c2d705f5adf5d860aaef90cb4211c0fde2ba66d
https://cert-portal.siemens.com/productcert/html/ssa-265688.html