CVE-2026-45901

The CVE-2026-45901 issue is in the Linux kernel netfilter nf_tables code. A circular lock dependency can occur between commit_mutex, nfnl_subsys_ipset, and nlk_cb_mutex when nft reset, ipset list, and iptables-nft with -m set run concurrently. The problem arose after changes that had previously a...

UBUNTU-CVE-2020-36694

An issue was discovered in netfilter in the Linux kernel before 5.10. There can be a use-after-free in the packet processing context, because the per-CPU sequence count is mishandled during concurrent iptables rules replacement. This could be exploited with the CAPNETADMIN capability in an...