EUVD-2026-25645

In the Linux kernel, the following vulnerability has been resolved: openvswitch: defer tunnel netdevput to RCU release ovsnetdevtunneldestroy may run after NETDEVUNREGISTER already detached the device. Dropping the netdev reference in destroy can race with concurrent readers that still observe...

CVE-2026-31678 openvswitch: defer tunnel netdev_put to RCU release

In the Linux kernel, the following vulnerability has been resolved: openvswitch: defer tunnel netdevput to RCU release ovsnetdevtunneldestroy may run after NETDEVUNREGISTER already detached the device. Dropping the netdev reference in destroy can race with concurrent readers that still observe...

Linux Distros Unpatched Vulnerability : CVE-2026-23436

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: shaper: protect from late creation of hierarchy We look up a netdev during prep of Netlink ops pre- callbacks and take a ref to it. Then later in the body ...

SUSE CVE-2026-23437

In the Linux kernel, the following vulnerability has been resolved: net: shaper: protect late read accesses to the hierarchy We look up a netdev during prep of Netlink ops pre- callbacks and take a ref to it. Then later in the body of the callback we take its lock or RCU which are the actual...

CVE-2026-23437 net: shaper: protect late read accesses to the hierarchy

In the Linux kernel, the following vulnerability has been resolved: net: shaper: protect late read accesses to the hierarchy We look up a netdev during prep of Netlink ops pre- callbacks and take a ref to it. Then later in the body of the callback we take its lock or RCU which are the actual...

CVE-2026-23437

CVE-2026-23437 (Linux kernel) concerns the net: shaper module. A missing liveness check occurs when a netdev is looked up during prep of Netlink operations, a reference is taken, and later the code uses the netdev’s lock or RCU protections. The conversion from a ref to a locked netdev may proceed...

PT-2026-30132

In the Linux kernel, the following vulnerability has been resolved: net: shaper: protect late read accesses to the hierarchy We look up a netdev during prep of Netlink ops pre- callbacks and take a ref to it. Then later in the body of the callback we take its lock or RCU which are the actual...

CVE-2023-54273

The CVE-2023-54273 entry describes a Linux kernel vulnerability in the xfrm subsystem where the netdev reference tracker is released with the wrong _put() call during direction checks, causing a resource leak. This can exhaust system resources and lead to a Denial of Service. Documents confirm th...

Linux Distros Unpatched Vulnerability : CVE-2025-39947

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/mlx5e: Harden uplink netdev access against device unbind The function mlx5uplinknetdevget gets the uplink netdevice pointer from mdev-mlx5eres.uplinknetdev...

PT-2025-40643

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The mlx5 uplink netdev get function in the Linux kernel does not properly validate a netdevice pointer before use, potentially leading to a kernel panic when the device is unbound...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a problem with netdev reference counting...