UBUNTU-CVE-2026-45901

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: revert commitmutex usage in reset path It causes circular lock dependency between commitmutex, nfnlsubsysipset and nlkcbmutex when nft reset, ipset list, and iptables-nft with '-m set' rule run at the same...

CVE-2026-45901 netfilter: nf_tables: revert commit_mutex usage in reset path

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: revert commitmutex usage in reset path It causes circular lock dependency between commitmutex, nfnlsubsysipset and nlkcbmutex when nft reset, ipset list, and iptables-nft with '-m set' rule run at the same...

CVE-2021-47394 netfilter: nf_tables: unlink table before deleting it

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unlink table before deleting it syzbot reports following UAF: BUG: KASAN: use-after-free in memcmp+0x18f/0x1c0 lib/string.c:955 nlastrcmp+0xf2/0x130 lib/nlattr.c:836 nfttablelookup.part.0+0x1a2/0x460...