Nftables
The latest Nftables coverage — news, analysis, and updates from the WindowsNews.AI desk.
CVE-2026-63858: The Linux Kernel nftables Flaw That's Hiding in Your Windows Environment
On July 19, 2026, the National Vulnerability Database published CVE-2026-63858, a Linux kernel concurrency flaw in the netfilter nftables subsystem that can corrupt firewall state when network device...
Linux kernel nf_tables flaw CVE-2026-46324 puts WSL and hybrid cloud at risk
A critical race condition vulnerability in the Linux kernel’s nf_tables subsystem, tracked as CVE-2026-46324, exposes systems to potential firewall bypass and denial-of-service attacks. Published...
CVE-2026-45897: The Linux Kernel Spinlock Fix That Shows Why Firewall Metrics Can't Be Trusted
On May 27, 2026, the Linux kernel project disclosed CVE-2026-45897, a race condition in the nftables firewall subsystem that could corrupt counter values when multiple processes reset them...
Linux Kernel CVE-2026-23351: Critical nft_set_pipapo Use-After-Free Vulnerability Explained
A critical vulnerability in the Linux kernel's netfilter subsystem has been identified as CVE-2026-23351, affecting the nft_set_pipapo set backend. This use-after-free flaw can lead to local...
Linux Kernel nf_tables Vulnerability CVE-2026-23278: Transaction Abort Risks and Security Implications
The Linux kernel's nf_tables subsystem has been hit with another security vulnerability, this time exposing fundamental weaknesses in transaction handling that could lead to privilege escalation or...
CVE-2026-23231: Critical Linux nf_tables UAF Vulnerability & Fix Analysis
A newly disclosed Linux kernel vulnerability, CVE-2026-23231, has emerged as a critical security concern for systems utilizing the nf_tables firewall framework. This high-severity flaw in the...
No CAP_NET_ADMIN needed: Linux kernel flaw CVE-2024-0607 crashes systems from kernel 3.13 to 6.7
A critical vulnerability in the Linux kernel's Netfilter nf_tables subsystem, tracked as CVE-2024-0607, has been disclosed, allowing local attackers to trigger a denial-of-service (DoS) condition...
CVE-2022-2586: Critical Linux Kernel nftables Vulnerability Explained
A subtle but critical vulnerability in the Linux kernel's nftables subsystem, designated CVE-2022-2586, has exposed systems to potential privilege escalation attacks through a use-after-free flaw....
CVE-2024-42070: Microsoft's nf_tables Kernel Vulnerability & Azure Linux Security Implications
A critical Linux kernel vulnerability designated CVE-2024-42070 has exposed significant security implications for Microsoft's Azure Linux distribution, raising questions about kernel security...
Linux Kernel Patch CVE-2025-68206 Fixes FTP Data Transfer Breakage in nftables NAT
The Linux kernel maintainers have quietly patched a subtle but disruptive vulnerability in the netfilter subsystem that specifically affected FTP connections passing through Network Address...
Linux Kernel CVE-2025-40206: nftables Vulnerability Fixed, Windows Users Should Understand Cross-Platform Security
A critical vulnerability in the Linux kernel's netfilter nftables subsystem, designated CVE-2025-40206, has been patched after discovery that it could cause kernel crashes through specific rule...
Azure Linux 3.0 ships 64K kernel pages and NFTables for cloud performance
Microsoft has officially launched Azure Linux 3.0, marking a significant milestone in its cloud-native operating system strategy. This latest release brings substantial performance improvements,...