CVE-2026-23003

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...

CVE-2026-23003 ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...

CVE-2026-23001 macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-23001 macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-23001

CVE-2026-23001 – Linux kernel macvlan UAF fix Multiple connected advisories reference this CVE as a fix in the macvlan subsystem. The vulnerability is described as a use-after-free (UAF) in macvlan_forward_source(), with the fix adding RC (read-copy-update) protection on (struct macvlan_source_en...

CVE-2026-23001 macvlan: fix possible UAF in macvlan_forward_source()

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

EUVD-2026-4615

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

CVE-2026-23001

In the Linux kernel, the following vulnerability has been resolved: macvlan: fix possible UAF in macvlanforwardsource Add RCU protection on struct macvlansourceentry-vlan. Whenever macvlanhashdelsource is called, we must clear entry-vlan pointer before RCU grace period starts. This allows...

Linux Distros Unpatched Vulnerability : CVE-2026-23003

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper handling of VLAN encapsulation, potentially leading to uninitialized value errors...

CVE-2026-23003: Use of Uninitialized Resource

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...

Azure Linux 3.0 Security Update: kernel (CVE-2025-23163)

"The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-23163 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: vlan: don't propagate flags on ope...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37865)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37865 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: fix -ENOENT when...

CVE-2025-69763

Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause memory corruption and enable remote code execution...

CVE-2025-69763

Tenda AX3 firmware v16.03.12.11 contains a stack overflow in formSetIptv via the vlanId parameter, which can cause memory corruption and enable remote code execution...

ROS-20260120-7334

A vulnerability in the net/8021q/vlan.c module of the Linux operating system kernel is related to reading outside buffer boundaries in memory as a result of incorrect resource initialization. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

SUSE CVE-2025-71112

In the Linux kernel, the following vulnerability has been resolved: net: hns3: add VLAN id validation before using Currently, the VLAN id may be used without validation when receive a VLAN configuration mailbox from VF. The length of vlandelfailbmap is BITSTOLONGSVLANNVID. It may cause...

MiracleLinux 4 : libvirt-0.10.2-29.5.0.1.AXS4 (AXSA:2014-076:01)

The remote MiracleLinux 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2014-076:01 advisory. Libvirt is a C toolkit to interact with the virtualization capabilities of recent versions of Linux and other OSes. The main package includes the...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002960)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002960 advisory. The IP stack in the Linux kernel through 4.8.2 allows remote attackers to cause a denial of service stack consumption and panic or possibly have unspecified other...

UBUNTU-CVE-2025-71112

In the Linux kernel, the following vulnerability has been resolved: net: hns3: add VLAN id validation before using Currently, the VLAN id may be used without validation when receive a VLAN configuration mailbox from VF. The length of vlandelfailbmap is BITSTOLONGSVLANNVID. It may cause...