CVE-2026-52921

In the Linux kernel netfilter ipset code, a vulnerability was fixed where iterating IPv4 ranges with a 32-bit iterator could advance past the end of the requested range. This affects the following hash set variants: hash:ip,mark; hash:ip,port; hash:ip,port,ip; hash:ip,port,net. The underlying iss...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: A overflow issue was fixed in the bitmapipcreate function before the bitmap was widened. When firstip is 0, lastip is 0xFFFFFFFF, and the netmask is 31, the value of an arithmetic expression 2 netmask - maskbits...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fixed a race condition between namespace cleanup and garbage collection for the list:set type. Lion Ackermann reported that there is a race condition between namespace cleanup in ipset and garbage collection of...

SUSE CVE-2026-45901

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: revert commitmutex usage in reset path It causes circular lock dependency between commitmutex, nfnlsubsysipset and nlkcbmutex when nft reset, ipset list, and iptables-nft with '-m set' rule run at the same...

CVE-2026-45901

A flaw was found in the Linux kernel's netfilter nftables component. This vulnerability allows a local attacker to cause a denial of service DoS by triggering a circular lock dependency. This occurs when nft reset, ipset list, and iptables-nft with a '-m set' rule are executed concurrently, leadi...

EUVD-2026-32367

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: revert commitmutex usage in reset path It causes circular lock dependency between commitmutex, nfnlsubsysipset and nlkcbmutex when nft reset, ipset list, and iptables-nft with '-m set' rule run at the same...

CVE-2026-45901

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: revert commitmutex usage in reset path It causes circular lock dependency between commitmutex, nfnlsubsysipset and nlkcbmutex when nft reset, ipset list, and iptables-nft with '-m set' rule run at the same...

CVE-2026-45901

The CVE-2026-45901 issue is in the Linux kernel netfilter nf_tables code. A circular lock dependency can occur between commit_mutex, nfnl_subsys_ipset, and nlk_cb_mutex when nft reset, ipset list, and iptables-nft with -m set run concurrently. The problem arose after changes that had previously a...

PT-2026-43768

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A circular lock dependency exists within the netfilter nf tables component. This issue occurs when nft reset, ipset list, and iptables-nft with the -m set rule are executed simultaneousl...

Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.4-2026-124 (ALASKERNEL-5.4-2026-124)

The version of kernel installed on the remote host is prior to 5.4.302-224.473. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2KERNEL-5.4-2026-124 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: drop logically empty...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: drop logically empty buckets in mtypedel CVE-2026-31418 In the Linux kernel, the following vulnerability has been resolved: net/rds: reset opnents when zerocopy page pin fails CVE-2026-43494...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Enforces the documented limit to prevent excessive memory allocation. Daniel Xu reported that the hash:net,iface type of the ipset subsystem does not limit adding the same network with different interfaces to a...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-021595)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-021595 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Hold module reference while requesting a module User space may unload ipset.ko...

OESA-2026-2236 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: add missing netlink policy validations Hyunwoo Kim reports out-of-bounds access in sctp and ctnetlink. These attributes are used by the...

OESA-2026-2232 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, a security vulnerability exists in the IOMMU Shared Virtual Addressing SVA feature. On x86 architecture when CONFIGX86 is set, IOMMU hardware caches kernel page table entries. Due to the lack of notification...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Reworked the handling of long task execution when adding/ deleting entries. When adding or deleting a large number of elements in one step using ipset, it may take considerable time, and soft lockup errors can...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Added the missing IPSETHASHWITHNET0 macro for ipsethashnetportnet.c. The missing IPSETHASHWITHNET0 macro in ipsethashnetportnet can lead to the use of the incorrect CIDRPOSc for calculating array offsets, which...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006908)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006908 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Rework long task execution when adding/deleting entries When adding/deleting...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010971)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010971 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Rework long task execution when adding/deleting entries When adding/deleting...

netfilter: ipset: drop logically empty buckets in mtype_del

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