PT-2026-86703

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: avoid num encaps underflow on bridge VLAN untag The DEV PATH BR VLAN UNTAG case post-decrements info-num encaps inside WARN ON ONCE. num encaps is u8, so if it's already 0 the decrement still happens and wra...

SUSE CVE-2026-72417

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: Validate iph-ihl in nfflowip4tunnelproto Add sanity check for iph-ihl field in nfflowip4tunnelproto before using it to compute the header size, avoiding out-of-bounds access with malformed IP headers. While ...

CVE-2026-74746

A flaw was found in the netfilter flowtable component of the Linux kernel. This vulnerability occurs due to a timing issue where the system's garbage collection can free a network flow while it is still being set up. This can lead to a 'use-after-free' condition, where the system attempts to acce...

EUVD-2026-66576

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

AZL-97821 CVE-2026-74746 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

CVE-2026-74746

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

UBUNTU-CVE-2026-74746

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

CVE-2026-74746

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

CVE-2026-74746 netfilter: flowtable: publish GC-visible tuple last

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

CVE-2026-74746 netfilter: flowtable: publish GC-visible tuple last

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

CVE-2026-74746

CVE-2026-74746 is a slab-use-after-free vulnerability in the Linux kernel netfilter flowtable subsystem. The root cause lies in nf_flow_table_iterate(), which treats only original-direction tuple nodes as owning entries. When the original node is published first, the garbage collector can observe...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098831)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098831 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: release flowtable after rcu grace period on error Call synchronizercu after...

CVE-2026-74746: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

CVE-2026-74746: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original node first lets GC observe and free a flow while flowoffloadadd is still...

PT-2026-82126

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter flowtable where the nf flow table iterate function only treats original-direction tuple nodes as owning entries. This allows the Garbage Collector GC to...

Linux Distros Unpatched Vulnerability : CVE-2026-74746

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - netfilter: flowtable: publish GC-visible tuple last nfflowtableiterate only treats original-direction tuple nodes as owning entries. Publishing the original nod...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: Use dst in this direction when pushing the IPIP header. When pushing the IPIP header, the route of the other direction is used to calculate the headroom. Instead, use the route in this direction. Accessing t...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: Support for IPIP tunnels with direct xmit. The combination of IPIP tunnels with direct xmit—for example, in the case of bridge devices—results in an issue because no dstentry is provided to check the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: flowtable: fixed and simplified the handling of IP6IP6 tunnels. Fixed the nfflowip6tunnelproto function to use pskbmaypull instead of skbheaderpointer, to ensure that the outer IPv6 header is within the skb headroom...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: The iph-ihl field was validated in the nfflowip4tunnelproto function. A sanity check was added for this field before using it to calculate the header size. This prevents out-of-bounds access and malformed IP...