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

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...

EulerOS Virtualization 2.13.1 : kernel (EulerOS-SA-2026-2371)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : iommu/sva: invalidate stale IOTLB entries for kernel address spaceCVE-2025-71202 iommu: disable SVA when CONFIGX86 is...

EulerOS 2.0 SP11 : kernel (EulerOS-SA-2026-2247)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : crypto: algifaead - Revert to operating out-of-placeCVE-2026-31431 nfsd: fix RELEASELOCKOWNERCVE-2024-26629 bonding: limit BONDMODE8023AD to...

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

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...

netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO

...

UBUNTU-CVE-2026-45859

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: do shared-unconfirmed check before segmentation Ulrich reports a regression with nfqueue: If an application did not set the 'FGSO' capability flag and a gso packet with an unconfirmed nfconn entry is...

SUSE CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

CVE-2026-45841

A flaw was found in the Linux kernel's netfilter component. A local attacker with CAPNETADMIN capabilities, which grants certain network administration privileges, could trigger a divide-by-zero error by adding a specially crafted fingerprint via nfnetlink. This vulnerability could lead to a kern...

CVE-2026-45859

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: do shared-unconfirmed check before segmentation Ulrich reports a regression with nfqueue: If an application did not set the 'FGSO' capability flag and a gso packet with an unconfirmed nfconn entry is...

UBUNTU-CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

EUVD-2026-32167

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

CVE-2026-45841

The CVE concerns the Linux kernel, specifically netfilter nfnetlink_osf and the OSF_WSS_MODULO path. Root cause: nf_osf_match_one() can perform ctx->window % f->wss.val without guarding f->wss.val == 0, enabling a CAP_NET_ADMIN user to inject a bogus fingerprint via nfnetlink, leading to...

CVE-2026-45841

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

CVE-2026-45841 netfilter: nfnetlink_osf: fix divide-by-zero in OSF_WSS_MODULO

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val == 0. A CAPNETADMIN user can add such a fingerprint via nfnetlink; a...

Linux Distros Unpatched Vulnerability : CVE-2026-45859

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nfnetlinkqueue: do shared-unconfirmed check before segmentation Ulrich reports a regression with nfqueue: If an application did not set the 'FGSO'...

PT-2026-43675

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A divide-by-zero error exists in the netfilter component within the nf osf match one function. The issue occurs in the OSF WSS MODULO branch when calculating ctx-window % f-wss.val witho...

CVE-2026-45841

netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO...

Linux Distros Unpatched Vulnerability : CVE-2026-45841

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: nfnetlinkosf: fix divide-by-zero in OSFWSSMODULO nfosfmatchone computes ctx-window % f-wss.val in the OSFWSSMODULO branch with no guard for f-wss.val...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: The ctx variable was initialized to avoid a memory allocation error. It is possible that the ctx variable in nfqnlbuildpacketmessage could be used before it is properly initialized. It is only initializ...

SUSE CVE-2026-43451

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlinkqueue: fix entry leak in bridge verdict error path nfqnlrecvverdict calls finddequeueentry to remove the queue entry from the queue data structures, taking ownership of the entry. For PFBRIDGE packets, it then...