ndisc: extend RCU protection in ndisc_send_skb()
33Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.1epss 37%
exploitation probability
37%top 2% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
ndisc: extend RCU protection in ndisc_send_skb()
ndisc_send_skb() can be called without RTNL or RCU held.
Acquire rcu_read_lock() earlier, so that we can use dev_net_rcu()
and avoid a potential UAF.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://cert-portal.siemens.com/productcert/html/ssa-019113.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-265688.htmlhttps://git.kernel.org/stable/c/04e05112f10354ffc3bb6cc796d553bab161594chttps://git.kernel.org/stable/c/10a1f3fece2f0d23a3a618b72b2b4e6f408ef7d1https://git.kernel.org/stable/c/4d576202b90b1b95a7c428a80b536f91b8201bcchttps://git.kernel.org/stable/c/789230e5a8c1097301afc802e242c79bc8835c67https://git.kernel.org/stable/c/a9319d800b5701e7f5e3fa71a5b7c4831fc20d6dhttps://git.kernel.org/stable/c/ae38982f521621c216fc2f5182cd091f4734641dhttps://git.kernel.org/stable/c/e24d225e4cb8cf108bde00b76594499b98f0a74dhttps://git.kernel.org/stable/c/ed6ae1f325d3c43966ec1b62ac1459e2b8e45640https://lists.debian.org/debian-lts-announce/2025/03/msg00028.htmlhttps://lists.debian.org/debian-lts-announce/2025/05/msg00030.html