UNKNOWN NVD
CVE-2026-99070
In the Linux kernel, the following vulnerability has been resolved: ipv6: do not warn on route notification size race fib6_info_hw_flags_set() sizes the skb w
In the Linux kernel, the following vulnerability has been resolved:
ipv6: do not warn on route notification size race
fib6_info_hw_flags_set() sizes the skb with rt6_nlmsg_size() and later
fills it with rt6_fill_node(). With nexthop compatibility mode enabled,
a concurrent replacement can grow the group between these independent
snapshots. rt6_fill_node() can then legitimately return -EMSGSIZE, so
the warning does not prove a sizing bug.
Remove the warning. The existing error path still frees the skb and
reports the error to listeners.
References
- https://git.kernel.org/stable/c/291fe0bafee78c95f9f2e7f579f17793fd5a1e5a
- https://git.kernel.org/stable/c/4ac7d92a4698e34e614c254359665b9de1f65283
- https://git.kernel.org/stable/c/7b112bd43f1172fb152e848570a957467008a5ae
- https://git.kernel.org/stable/c/8a3b935b6b6037eefb36bd27a60793a008358e8d
- https://git.kernel.org/stable/c/c97426ec649d99596d8969e1a052c16b14b7b485
This unknown severity vulnerability was published on 2026-10-23 via NVD.
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