CVE-2025-38587 Information

Aug 20, 2025 cve

Description

In the Linux kernel the following vulnerability has been resolved:

ipv6: fix possible infinite loop in fib6_info_uses_dev()

fib6_info_uses_dev() seems to rely on RCU without an explicit protection.

Like the prior fix in rt6_nlmsg_size() we need to make sure fib6_del_route() or fib6_add_rt2node() have not removed the anchor from the list or we risk an infinite loop.

Reference

https://git.kernel.org/stable/c/16d21816c0918f8058b5fc14cbe8595d62046e2d https://git.kernel.org/stable/c/9cb6de8ee144a94ae7a40bdb32560329ab7276f0 https://git.kernel.org/stable/c/bc85e62394f008fa848c4ba02c936c735a3e8ef5 https://git.kernel.org/stable/c/db65739d406c72776fbdbbc334be827ef05880d2 https://git.kernel.org/stable/c/e09be457b71b983a085312ff9e981f51e4ed3211 https://git.kernel.org/stable/c/f8d8ce1b515a0a6af72b30502670a406cfb75073

CNNVD-202508-2151 (Published: 2025-08-19)

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