opensnitch

Join the project community on our server! OpenSnitch is a GNU/Linux application firewall. •• Key Features • Download • Installation • Usage examples • In the press •• Key features Interactive outbound connections filtering. Block ads, trackers or malware domains system wide. Ability to configure...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtCT: Dropping pending packets that are enqueued during the removal of a template. “Templates” refer to objects that can disappear when packets are stored in nfqueue. nfqueue refers to: - helpers: This can be a issue...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099749)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099749 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: drop pending enqueued packets on removal Packets sitting in nfqueue might hold ...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100540)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100540 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: hold bridge skb-dev while queued brpassframeup rewrites skb-dev from the...

CVE-2026-74347

In the Linux kernel, the following vulnerability has been resolved: netfilter: cttimeout: detach dataplane timeout policy and repurpose refcount Add a refcount for struct nfcttimeout which is used by ct extension to set the custom ct timeout policy, this tells us that the ct timeout is being used...

CVE-2026-72255

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: pin bridge device while NFQUEUE holds fake dst The brnetfilter fake rtable is embedded in struct netbridge and is attached to bridged packets with skbdstsetnoref. If such a packet is queued to NFQUEUE, nfqueue...

CVE-2026-72255

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: pin bridge device while NFQUEUE holds fake dst The brnetfilter fake rtable is embedded in struct netbridge and is attached to bridged packets with skbdstsetnoref. If such a packet is queued to NFQUEUE, nfqueue...

UBUNTU-CVE-2026-72255

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: pin bridge device while NFQUEUE holds fake dst The brnetfilter fake rtable is embedded in struct netbridge and is attached to bridged packets with skbdstsetnoref. If such a packet is queued to NFQUEUE, nfqueue...

EUVD-2026-59154

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: pin bridge device while NFQUEUE holds fake dst The brnetfilter fake rtable is embedded in struct netbridge and is attached to bridged packets with skbdstsetnoref. If such a packet is queued to NFQUEUE, nfqueue...

CVE-2026-72255 netfilter: nf_queue: pin bridge device while NFQUEUE holds fake dst

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: pin bridge device while NFQUEUE holds fake dst The brnetfilter fake rtable is embedded in struct netbridge and is attached to bridged packets with skbdstsetnoref. If such a packet is queued to NFQUEUE, nfqueue...

CVE-2026-72255 netfilter: nf_queue: pin bridge device while NFQUEUE holds fake dst

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfqueue: pin bridge device while NFQUEUE holds fake dst The brnetfilter fake rtable is embedded in struct netbridge and is attached to bridged packets with skbdstsetnoref. If such a packet is queued to NFQUEUE, nfqueue...

PT-2026-72443

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter nf queue component where NFQUEUE can keep a bridge private fake dst alive after the unregister process begins. This occurs because the br netfilter fake...

AZL-90729 CVE-2026-53220 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: revalidate bridge ports ebtredirecttg dereferences brportgetrcu return without a NULL check, causing a kernel panic when the bridge port has been removed between the original hook invocation and an NFQUEUE reinject. A...

CVE-2026-53220

In the Linux kernel, the following vulnerability has been resolved: netfilter: revalidate bridge ports ebtredirecttg dereferences brportgetrcu return without a NULL check, causing a kernel panic when the bridge port has been removed between the original hook invocation and an NFQUEUE reinject. A...

CVE-2026-45859: Undefined Security Weakness

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...

CVE-2026-43060

A flaw was found in the Linux kernel's netfilter nftct component. When the nftct module is removed, packets still enqueued in the nfqueue might retain outdated references to connection tracking conntrack zone templates or timeout policies. This can lead to stale references, potentially causing...

CVE-2026-43060: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftct: drop pending enqueued packets on removal Packets sitting in nfqueue might hold a reference to: - templates that specify the conntrack zone, because a percpu area is used and module removal is possible. - conntra...

SUSE CVE-2026-23391

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtCT: drop pending enqueued packets on template removal Templates refer to objects that can go away while packets are sitting in nfqueue refer to: - helper, this can be an issue on module removal. - timeout policy,...

EUVD-2026-15392

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtCT: drop pending enqueued packets on template removal Templates refer to objects that can go away while packets are sitting in nfqueue refer to: - helper, this can be an issue on module removal. - timeout policy,...

AZL-80567 CVE-2026-23391 affecting package kernel for versions less than 6.6.130.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: xtCT: drop pending enqueued packets on template removal Templates refer to objects that can go away while packets are sitting in nfqueue refer to: - helper, this can be an issue on module removal. - timeout policy,...