Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: Linux kernel: Out-of-bounds write in VXLAN due to incorrect nexthop hash size leading to denial of service

A flaw was found in the Linux kernel's Virtual Extensible LAN VXLAN implementation. An attacker with elevated privileges CAPNETADMIN can exploit this vulnerability by configuring the system to accept and forward VXLAN packets. The issue arises from an incorrect nexthop hash size, where a 32-bit...

kernel: Linux kernel: Out-of-bounds write in VXLAN due to incorrect nexthop hash size leading to denial of service

A flaw was found in the Linux kernel's Virtual Extensible LAN VXLAN implementation. An attacker with elevated privileges CAPNETADMIN can exploit this vulnerability by configuring the system to accept and forward VXLAN packets. The issue arises from an incorrect nexthop hash size, where a 32-bit...

ROS-20260119-7365

A vulnerability in the vxlaninit function of the drivers/net/vxlan/vxlancore.c component of the Linux operating system kernel is related to pointer dereferencing errors. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

CVE-2026-21910

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on EX4k Series and QFX5k Series platforms allows an unauthenticated network-adjacent attacker flapping an interface to cause traffic between VXLAN Network...

CVE-2026-21910 Junos OS: EX4k Series, QFX5k Series: In an EVPN-VXLAN configuration link flaps cause Inter-VNI traffic drop

An Improper Check for Unusual or Exceptional Conditions vulnerability in the packet forwarding engine PFE of Juniper Networks Junos OS on EX4k Series and QFX5k Series platforms allows an unauthenticated network-adjacent attacker flapping an interface to cause traffic between VXLAN Network...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

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...

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...

kernel: vxlan: check vxlan_vnigroup_init() return value

In the Linux kernel, the following vulnerability has been resolved: vxlan: check vxlanvnigroupinit return value vxlaninit must check vxlanvnigroupinit success otherwise a crash happens later, spotted by syzbot. Oops: general protection fault, probably for non-canonical address 0xdffffc000000002c:...

vxlan: Fix NPD in {arp,neigh}_reduce() when using nexthop objects

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CVE-2025-39850

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix NPD in arp,neighreduce when using nexthop objects When the "proxy" option is enabled on a VXLAN device, the device will suppress ARP requests and IPv6 Neighbor Solicitation messages if it is able to reply on behalf of...

DEBIAN-CVE-2022-50405

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: wait until all skuserdata reader finish before releasing the sock There is a race condition in vxlan that when deleting a vxlan device during receiving packets, there is a possibility that the sock is released after...

CVE-2022-50405 net/tunnel: wait until all sk_user_data reader finish before releasing the sock

In the Linux kernel, the following vulnerability has been resolved: net/tunnel: wait until all skuserdata reader finish before releasing the sock There is a race condition in vxlan that when deleting a vxlan device during receiving packets, there is a possibility that the sock is released after...

CVE-2023-53190 vxlan: Fix memory leaks in error path

In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix memory leaks in error path The memory allocated by vxlanvnigroupinit is not freed in the error path, leading to memory leaks 1. Fix by calling vxlanvnigroupuninit in the error path. The leaks can be reproduced by...

Linux Distros Unpatched Vulnerability : CVE-2025-37921

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: vxlan: vnifilter: Fix unlocked deletion of default FDB entry When a VNI is deleted from a...

PT-2025-22183

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the deletion of a default FDB entry in 'vnifilter' mode when a VNI is deleted from a VXLAN device. This issue results in...

Siemens SCALANCE LPE9403 操作系统命令注入漏洞

Siemens SCALANCE LPE9403 is a native processing engine for industrial field data processing from Siemens, Germany. It is used to capture, collect and pre-process industrial field data. Siemens SCALANCE LPE9403 6GK5998-3GS00-2AC2 V4.0 and prior versions suffer from an operating system command...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix a kernel panic when sending untagged traffic via a VxLAN device. This issue occurs during the check for fragmentation in brnfdevqueuexmit. It depends on the following conditions: 1 The brnetfilter modu...

SUSE CVE-2024-50045

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix panic with metadatadst skb Fix a kernel panic in the brnetfilter module when sending untagged traffic via a VxLAN device. This happens during the check for fragmentation in brnfdevqueuexmit. It is...

AZL-51252 CVE-2024-50045 affecting package kernel for versions less than 6.6.57.1-1

In the Linux kernel, the following vulnerability has been resolved: netfilter: brnetfilter: fix panic with metadatadst skb Fix a kernel panic in the brnetfilter module when sending untagged traffic via a VxLAN device. This happens during the check for fragmentation in brnfdevqueuexmit. It is...