PT-2026-38980

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the netfilter flowtable component where the system fails to strictly check for the maximum number of supported actions. In IPv6 setups, the required number of hardware...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an insufficiently strict check on the number of hardware in the netfilter flowtable. This issue may...

netfilter: nf_tables: release flowtable after rcu grace period on error

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SUSE CVE-2026-23392

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

CVE-2026-23392

A flaw was found in the Linux kernel's netfilter component, specifically within the nftables subsystem. An error in releasing a flowtable after an RCU Read-Copy-Update grace period could lead to a use-after-free vulnerability. This issue could expose the flowtable to the packet path and...

EUVD-2026-15393

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

CVE-2026-23392

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

CVE-2026-23392

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

CVE-2026-23392

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

CVE-2026-23392 netfilter: nf_tables: release flowtable after rcu grace period on error

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

CVE-2026-23392

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

CVE-2026-23392 netfilter: nf_tables: release flowtable after rcu grace period on error

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that already refers to this flowtable can be already registered, exposing this...

CVE-2026-23392

The CVE-2026-23392 vulnerability affects the Linux kernel nf_tables flowtable handling. Root cause: during error paths, a hook may still reference a flowtable, exposing it to the packet path and nfnetlink control plane. The fix inserts synchronize_rcu() after unregistering hooks (rcu grace period...

Linux Distros Unpatched Vulnerability : CVE-2026-23392

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after unregistering the hooks from error path, since a hook that...

MiracleLinux 9 : kernel-5.14.0-427.33.1.el9_4 (AXSA:2024-8783:27)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8783:27 advisory. kernel: nftables: nftsetrbtree skip end interval element from gc CVE-2024-26581 kernel: netfilter: nftlimit: reject configurations that cause intege...

MiracleLinux 9 : kernel-5.14.0-503.16.1.el9_5 (AXSA:2025-9539:03)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2025-9539:03 advisory. kernel: net/smc: fix illegal rmbdesc access in SMC-D connection dump CVE-2024-26615 kernel: block: initialize integrity buffer to zero before writin...

PT-2026-27757

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains an issue where a flowtable is not properly released after an error, potentially leading to a use-after-free condition. This can occur when unregistering hooks...

netfilter: flowtable: account for Ethernet header in nf_flow_pppoe_proto()

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Unity Linux 20.1070a Security Update: kernel (UTSA-2025-990529)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990529 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit Unregister flowtable hooks before...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: flowtable: account for Ethernet header in nfflowpppoeproto syzbot found a potential access to uninit-value in nfflowpppoeproto The responsible commit forgot to account for the Ethernet header. BUG: KMSAN: uninit-val...