Threats Tagged 'ubuntu-cve-2025-38588'
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Threats Tagged 'ubuntu-cve-2025-38588'
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In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent infinite loop in rt6_nlmsg_size() While testing prior patch, I was able to trigger an infinite loop in rt6_nlmsg_size() in the following place: list_for_each_entry_rcu(sibling, &f6i->fib6_siblings, fib6_siblings) { rt6_nh_nlmsg_size(sibling->fib6_nh, &nexthop_len); } This is because fib6_del_route() and fib6_add_rt2node() uses list_del_rcu(), which can confuse rcu readers, because they might no longer see the head of the list. Restart the loop if f6i->fib6_nsiblings is zero. Join the discussion | GCVE Database | 08/19/2025, 17:15:00 UTC Added: 07/31/2026, 15:44:58 UTC |
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