CVE-2026-45846

A flaw was found in the bareudp driver of the Linux kernel. This vulnerability allows a local attacker to trigger a NULL pointer dereference in the bareudpfillmetadatadst function. This occurs because the function attempts to access a NULL socket when the bareudp device is down, leading to a syst...

CVE-2026-45846 bareudp: fix NULL pointer dereference in bareudp_fill_metadata_dst()

In the Linux kernel, the following vulnerability has been resolved: bareudp: fix NULL pointer dereference in bareudpfillmetadatadst bareudpfillmetadatadst passes bareudp-sock to udptunnel6dstlookup in the IPv6 path without a NULL check. The socket is only created in bareudpopen and NULLed in...

CVE-2026-45846

In the Linux kernel, the following vulnerability has been resolved: bareudp: fix NULL pointer dereference in bareudpfillmetadatadst bareudpfillmetadatadst passes bareudp-sock to udptunnel6dstlookup in the IPv6 path without a NULL check. The socket is only created in bareudpopen and NULLed in...

CVE-2026-45846

bareudp: fix NULL pointer dereference in bareudpfillmetadatadst...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: xfrm: Policy issue: Fixing the metadata dst-dev xmit null pointer dereference. When attempting to transmit an skb with metadatadst attached i.e., dst-dev == NULL through the xfrm interface, a null pointer dereference may occur in...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed the metadatadst leak in bpfredirectneigh for arguments bpfredirectneighv4,6 Cilium includes a BPF egress gateway feature that forces outgoing Kubernetes Pods’ traffic to pass through dedicated egress gateways. This...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011168)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011168 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forc...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013013)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013013 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forc...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005565)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005565 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix panic with metadatadst skb Fix a kernel panic in the brnetfilter modu...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992718)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992718 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: fix metadata dst-dev xmit null pointer dereference When we try to transmit an skb...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992488)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992488 advisory. In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: fix metadata dst-dev xmit null pointer dereference When we try to transmit an skb...

SUSE CVE-2025-40183

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT the traffic in order to interact with stable I...

EUVD-2025-150391

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT the traffic in order to interact with stable I...

Linux Distros Unpatched Vulnerability : CVE-2025-40183

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress...

CVE-2025-40183

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT the traffic in order to interact with stable I...

UBUNTU-CVE-2025-40183

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT the traffic in order to interact with stable I...

CVE-2025-40183 bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6}

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT the traffic in order to interact with stable I...

CVE-2025-40183

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT the traffic in order to interact with stable I...

CVE-2025-40183

CVE-2025-40183 reflects a Linux kernel bug in BPF: metadata_dst leak via __bpf_redirect_neigh_v{4,6}. In workloads using Cilium’s BPF egress gateway, vxLAN-decapsulated traffic was routed with bpf_redirect_neigh(), which could leave behind a metadata_dst object attached to the skb and not release...

CVE-2025-40183 bpf: Fix metadata_dst leak __bpf_redirect_neigh_v{4,6}

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix metadatadst leak bpfredirectneighv4,6 Cilium has a BPF egress gateway feature which forces outgoing K8s Pod traffic to pass through dedicated egress gateways which then SNAT the traffic in order to interact with stable I...