CVE-2026-53227

A flaw was found in the Linux kernel's Open vSwitch OVS component. This issue occurs due to incorrect error handling during the allocation of a 'reply' skb socket buffer after locking the ovsmutex. If the allocation fails, an invalid pointer may be passed to kfreeskb, leading to a system crash an...

CVE-2026-53227

CVE-2026-53227 : In the Linux kernel’s net/openvswitch path, the patch fixes a bug where a reply skb could be freed after unlocking when its allocation happens after locking the ovs_mutex and returns an error. The root cause is that the error value is saved but the pointer remains non-NULL, leadi...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: rejecting negative ifindex values Recent changes in net-next commit 759ab1edb56c refactored the handling of pre-assigned ifindex values. This led to a latent issue in ovs. ovs does not validate ifindex values,...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: openvswitch: Fixed an issue where stack out-of-bounds reading occurred when fragmenting IPv4 packets. When running openvswitch on kernels built with KASAN, it is possible to observe the following error during the testing of IP...

ALSA-2026:25217 Important: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: scsi: target: iscsi: Fix use-after-free in iscsitdecconnusagecount CVE-2026-23216 kernel: Linux kernel: Use-after-free in bonding driver leads to denial of service CVE-2026-31419 kernel:...

CVE-2026-36499

A flaw was found in Open vSwitch. A missing upper-bound check in udpifsetthreads allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads, causing resource exhaustion and denial of service. Reported against Open vSwitch v3.6.90; affects...

SUSE CVE-2026-36499

A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service DoS via resource exhaustion...

Linux Distros Unpatched Vulnerability : CVE-2026-36499

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of...

DEBIAN-CVE-2026-36499

A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service DoS via resource exhaustion...

CVE-2026-36499

A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service DoS via resource exhaustion...

PT-2026-46314

Name of the Vulnerable Software and Affected Versions Open vSwitch version 3.6.90 Description A missing upper-bound check in the udpif set threads function allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can lead to a denial of...

EUVD-2026-34317

A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service DoS via resource exhaustion...

Open vSwitch 安全漏洞

Open vSwitch is a virtual switch developed as part of the Collaborative Project open-source project. Version 3.6.90 of Open vSwitch contains a security vulnerability. This vulnerability stems from the lack of an upper limit check in the udpifsetthreads function, which may allow attackers with wri...

CVE-2026-36499

A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service DoS via resource exhaustion...

CVE-2026-36499

A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service DoS via resource exhaustion...

CVE-2026-36499

A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service DoS via resource exhaustion...

CVE-2026-36499

Open vSwitch v3.6.90 contains a missing upper-bound check in udpif_set_threads(); with OVSDB write access, an attacker can request excessive handler/revalidation threads, causing DoS via resource exhaustion. Documented across NVD entries and vuln lists; exploitation status is not detailed in the ...

CVE-2026-36499

A missing upper-bound check in the udpifsetthreads function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service DoS via resource exhaustion...

Linux Distros Unpatched Vulnerability : CVE-2026-46165

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - openvswitch: vport: fix self-deadlock on release of tunnel ports vports are used concurrently and protected by RCU, so netdevput must happen after the RCU grace...

CVE-2026-46165

In the Linux kernel, the following vulnerability has been resolved: openvswitch: vport: fix self-deadlock on release of tunnel ports vports are used concurrently and protected by RCU, so netdevput must happen after the RCU grace period. So, either in an RCU call or after the synchronizenet. The...