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CVE-2025-21764

ndisc: use RCU protection in ndisc_alloc_skb()

CVSS 7.8 HIGHEPSS 0.2%CWE-416
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Produtos afetados
Linux · Linux

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Referências
https://cert-portal.siemens.com/productcert/html/ssa-265688.htmlhttps://git.kernel.org/stable/c/3c2d705f5adf5d860aaef90cb4211c0fde2ba66dhttps://git.kernel.org/stable/c/628e6d18930bbd21f2d4562228afe27694f66da9https://git.kernel.org/stable/c/96fc896d0e5b37c12808df797397fb16f3080879https://git.kernel.org/stable/c/9e0ec817eb41a55327a46cd3ce331a9868d60304https://git.kernel.org/stable/c/b870256dd2a5648d5ed2f22316b3ac29a7e5ed63https://git.kernel.org/stable/c/bbec88e4108e8d6fb468d3817fa652140a44ff28https://git.kernel.org/stable/c/c30893ef3d9cde8e7e8e4fd06b53d2c935bbccb1https://git.kernel.org/stable/c/cd1065f92eb7ff21b9ba5308a86f33d1670bf926https://lists.debian.org/debian-lts-announce/2025/03/msg00028.htmlhttps://lists.debian.org/debian-lts-announce/2025/05/msg00030.html