firewall security

Linux kernel CVE-2026-45901 was published by NVD on May 27, 2026, after kernel.org assigned a security record to a netfilter nf_tables fix that removes commit_mutex locking from reset paths to avoid a circular lock dependency triggered by concurrent nft reset, ipset list, and iptables-nft -m set...

The page titled “Install OpenSSH On Microsoft Windows Server 2016 And Open Ssh Port 22 In Windows Firewall” appears to be an unrelated, likely auto-generated or compromised Fathom Journal page mixing Windows Server administration keywords with a political magazine archive, not a trustworthy...

On May 6, 2026, CISA added CVE-2026-0300, a Palo Alto Networks PAN-OS out-of-bounds write flaw in the User-ID Authentication Portal, to its Known Exploited Vulnerabilities catalog after evidence showed active exploitation against exposed firewall portals in the wild and federal agencies were put...

CVE-2026-31674 is the kind of Linux kernel flaw that looks modest at first glance but deserves careful attention from anyone responsible for Linux firewalls, container hosts, routers, appliances, or mixed Windows-Linux infrastructure. The issue sits in netfilter, specifically the IPv6 ip6t_rt...