CVE-2026-98484

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: skip expired catchall elements on insert and delete nftsetelemcatchallinsert looks up duplicates with nftsetelemactive only, while nftsetcatchalllookup and the dump path additionally skip expired elements. On...

SUSE CVE-2026-23274

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: reject rev0 reuse of ALARM timer labels IDLETIMER revision 0 rules reuse existing timers by label and always call modtimer on timer-timer. If the label was created first by revision 1 with XTIDLETIMERALARM...

EUVD-2026-13610

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: reject rev0 reuse of ALARM timer labels IDLETIMER revision 0 rules reuse existing timers by label and always call modtimer on timer-timer. If the label was created first by revision 1 with XTIDLETIMERALARM...

UBUNTU-CVE-2026-23274

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtIDLETIMER: reject rev0 reuse of ALARM timer labels IDLETIMER revision 0 rules reuse existing timers by label and always call modtimer on timer-timer. If the label was created first by revision 1 with XTIDLETIMERALARM...

kernel: netfilter: xtables NULL pointer dereference in ip6_tables.c:ip6t_do_table() leading to a crash

A flaw was found in the netfilter/iptables subsystem. A user with the netfilter modification capabilities could insert a rule which could panic the system...