Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the AppArmor module failing to handle cases where sock and sock-sk might be NULL during socket...

UBUNTU-CVE-2026-45966

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix NULL pointer dereference in unixneedsrevalidation When receiving file descriptors via SCMRIGHTS, both the socket pointer and the socket's sk pointer can be NULL during socket setup or teardown, causing NULL pointer...

PT-2026-43833

Name of the Vulnerable Software and Affected Versions Linux kernel versions 6.17 through 6.17 Description A NULL pointer dereference occurs in the unix needs revalidation function when receiving file descriptors via SCM RIGHTS. During socket setup or teardown, both the socket pointer and the...

PT-2026-43785

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the OpenVPN implementation within the Linux kernel. When a peer is deleted due to keepalive expiration, it is moved to a release list for processing via the ov...

PT-2026-44122

Name of the Vulnerable Software and Affected Versions Microsoft UFO version 3.0.1-4-ge2626659 Description Microsoft UFO is an open-source framework for intelligent automation across devices and platforms. The software accepts client-supplied session id values in WebSocket task messages and reuses...

PT-2026-43865

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the rxrpc component. If the skb unshare function fails to unshare a packet due to an allocation failure within rxrpc input packet, the skb pointer in...

CVE-2026-45887

In the Linux kernel, the following vulnerability has been resolved: afunix: Fix memleak of newsk in unixstreamconnect. When preparepeercred fails in unixstreamconnect, unixreleasesock is not called for newsk, and the memory is leaked. Let's move preparepeercred before unixcreate1...

Linux kernel 安全漏洞

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 the bareudp module failing to perform null pointer checks on sockets when devices are turned off,...

PT-2026-43796

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the ovpn net xmit function. When building the skb list, the skb share check function frees the original skb socket buffer if it is shared. The system the...

Linux kernel 安全漏洞

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 the OpenVPN TCP transmission process. When the socket is closed in the user space, the...

AZL-88385 CVE-2026-45834 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45836

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockgetsndtimeocb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

CVE-2026-45834

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockstatechangecb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

EUVD-2026-31858

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix null-ptr-deref in l2capsockgetsndtimeocb Add the same NULL guard already present in l2capsockresumecb and l2capsockreadycb...

GHSA-7JCP-V9W4-WJMG KubeVirt has a Link Following vulnerability

A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to...

AZL-89193 CVE-2026-7374 affecting package kubevirt for versions less than 1.7.1-7

A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to...

CVE-2026-7374 Kubevirt: kubevirt virt-handler: privilege escalation and node compromise via symlink following vulnerability

A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to...

CVE-2026-7374

A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to...

CVE-2026-7374 Kubevirt: kubevirt virt-handler: privilege escalation and node compromise via symlink following vulnerability

A flaw was found in KubeVirt's virt-handler component. This vulnerability allows an authenticated OpenShift user with edit permissions in a single namespace to exploit improper symlink validation when connecting to virtual machine console sockets. By replacing the console socket with a symlink to...

CVE-2026-7374

CVE-2026-7374 describes a vulnerability in KubeVirt’s virt-handler where improper symlink validation during VM console socket connections allows an authenticated OpenShift user with namespace-level edit permissions to hijack virt-handler’s privileged connection. By substituting the console socket...