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...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from an issue with the nftablesaddchain function where objects are reclaimed and then reused,...

PT-2026-22911

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a use-after-free issue within the nf tables module, specifically in the nf tables addchain function. This function publishes a chain before registering hooks, a...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989238)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989238 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix percpu memory leak at nftablesaddchain It seems to me that percpu memory...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989368)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989368 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix nftcountersenabled underflow at nftablesaddchain syzbot is reporting...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-986644)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-986644 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix nftcountersenabled underflow at nftablesaddchain syzbot is reporting...

SUSE CVE-2022-48642

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix percpu memory leak at nftablesaddchain It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a "netfilter: nftables: map basechain priority to hardware priority" wh...

SUSE CVE-2022-48643

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix nftcountersenabled underflow at nftablesaddchain syzbot is reporting underflow of nftcountersenabled counter at nftablesaddchain 1, for commit 43eb8949cfdffa76 "netfilter: nftables: do not leave chain sta...

DEBIAN-CVE-2022-48642

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix percpu memory leak at nftablesaddchain It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a "netfilter: nftables: map basechain priority to hardware priority" wh...

UBUNTU-CVE-2022-48643

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix nftcountersenabled underflow at nftablesaddchain syzbot is reporting underflow of nftcountersenabled counter at nftablesaddchain 1, for commit 43eb8949cfdffa76 "netfilter: nftables: do not leave chain sta...

UBUNTU-CVE-2022-48642

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix percpu memory leak at nftablesaddchain It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a "netfilter: nftables: map basechain priority to hardware priority" wh...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a memory leak caused by the percpu of the nftablesaddchain function...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the nftcountersenabled of the nftablesaddchain function that can lead to counter underflow...

PT-2022-34773 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.19.12 Description: A percpu memory leak was discovered in the nf tables module at the nf tables addchain function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linu...

PT-2024-8457 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to an integer underflow in the nf tables addchain function, which can lead to a denial of service. The problem occurs because nf tables chain destroy after nft...