SUSE CVE-2026-23231

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftablesaddchain nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd before registering hooks. If nftablesregisterhook then fails, the error path calls...

AZL-78650 CVE-2026-23231 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftablesaddchain nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd before registering hooks. If nftablesregisterhook then fails, the error path calls...

CVE-2026-23231

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftablesaddchain nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd before registering hooks. If nftablesregisterhook then fails, the error path calls...

CVE-2026-23231 netfilter: nf_tables: fix use-after-free in nf_tables_addchain()

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix use-after-free in nftablesaddchain nftablesaddchain publishes the chain to table-chains via listaddtailrcu in nftchainadd before registering hooks. If nftablesregisterhook then fails, the error path calls...

CVE-2026-23231

CVE-2026-23231 affects the Linux kernel nf_tables code. The root cause is a use-after-free in nf_tables_addchain(), where a new chain is published to a table via list_add_tail_rcu() before hooks are registered; on failure the error path frees the chain without an RCU grace period, creating use-af...

UBUNTU-CVE-2023-53492

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: do not ignore genmask when looking up chain by id When adding a rule to a chain referring to its ID, if that chain had been deleted on the same batch, the rule might end up referring to a deleted chain. This...