860 matches found
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 ...
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...
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...
cloudbase Open vSwitch 资源管理错误漏洞
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...
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...
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. - In the Linux kernel, the following vulnerability has been resolved: openvswitch: vport: fix self-deadlock on release of tunnel ports vports are used concurrentl...
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...
openvswitch: cap upcall PID array size and pre-size vport replies
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CVE-2026-45840
A flaw was found in the Linux kernel's Open vSwitch component. A local attacker, with administrative network capabilities, could exploit this by providing an overly large Process ID PID array. This action triggers a buffer overflow within the network link netlink reply mechanism, leading to a...
UBUNTU-CVE-2026-45840
In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...
CVE-2026-45840 openvswitch: cap upcall PID array size and pre-size vport replies
In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...
CVE-2026-45840
In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...
SUSE CVE-2022-32166
In ovs versions v0.90.0 through v2.5.0 are vulnerable to heap buffer over-read in flow.c. An unsafe comparison of “minimasks” function could lead access to an unmapped region of memory. This vulnerability is capable of crashing the software, memory modification, and possible remote execution...
CVE-2026-45840
In the Linux kernel, the following vulnerability has been resolved: openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... but serialize the full upcall PID array via ovsvportgetupcallportids...
Astra Linux – Vulnerability in OpenVSwitch
An out-of-bounds read in the Organization-Specific TLV was found in various versions of OpenvSwitch...
Astra Linux – Vulnerability in OpenVSwitch
A flaw was discovered in Open vSwitch, where multiple versions are vulnerable to crafted Geneve packets, which may lead to a denial of service and invalid memory accesses. Triggering this issue requires that hardware offloading via the netlink path is enabled...
Astra Linux – Vulnerability in OpenVSwitch
A flaw was discovered in Open vSwitch, allowing ICMPv6 Neighbor Advertisement packets between virtual machines to bypass OpenFlow rules. This issue may enable a local attacker to create specially crafted packets with a modified or spoofed target IP address field, which can redirect ICMPv6 traffic...
Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1
A vulnerability was reported in the Open vSwitch sub-component of the Linux kernel. The flaw occurs when a recursive operation of the code push calls into the code block recursively. The OVS module does not validate the stack depth, causing too many frames to be pushed onto the stack, leading to ...
Security update for openvswitch
This update for openvswitch fixes the following issue: CVE-2026-34956: Invalid memory access in conntrack FTP alg bsc1261273. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively you can run the comma...