753 matches found
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...
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
openvswitch: cap upcall PID array size and pre-size vport replies...
Astra Linux - уязвимость в 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 - уязвимость в linux
In the Linux kernel, the following vulnerability has 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 IPv4...
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...
Openvswitch: open vswitch: denial of service via malformed ftp epasv command
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Unity Linux 20.1060e / 20.1070e Security Update: openvswitch (UTSA-2026-017645)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017645 advisory. A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLV...
Unity Linux 20.1060e / 20.1070e Security Update: openvswitch (UTSA-2026-017640)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017640 advisory. A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packe...
CVE-2026-39402
lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...
CVE-2026-39402
lxc is a Linux container runtime. In the setuid helper lxc-user-nic, the delete path contains a logic flaw in the findline function that allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When lxc-user-nic delete scans its NIC database to authorize a...
CVE-2026-39402
Summary: CVE-2026-39402 affects the LXC user network helper (lxc-user-nic) in multi-tenant setups using Open vSwitch bridges. The delete path in the setuid helper contains a logic flaw in find_line() that can authorize deletion based on a name match even when ownership/type/link fields belong to ...
EUVD-2026-27345
A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...
CVE-2026-34956
A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...
CVE-2026-34956
A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in...