1278 matches found
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 a deadlock issue when releasing tunnel ports in openvswitch vports. This issue may cause referenc...
SUSE 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
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...
EUVD-2026-32166
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
CVE-2026-45840 : The vulnerability in the Linux kernel openvswitch path allows a CAP_NET_ADMIN user to overflow the vport netlink reply buffer by providing a large upcall PID array, triggering a -EMSGSIZE and a kernel BUG. The root cause is ovs_vport_set_upcall_portids() accepting any non-zero mu...
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...
PT-2026-43674
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the openvswitch component where vport netlink reply helpers allocate a fixed-size socket buffer skb using nlmsg newNLMSG DEFAULT SIZE, ..., but serialize the full upca...
Linux Distros Unpatched Vulnerability : CVE-2026-45840
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - openvswitch: cap upcall PID array size and pre-size vport replies The vport netlink reply helpers allocate a fixed-size skb with nlmsgnewNLMSGDEFAULTSIZE, ... b...
Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10, Linux 5.15
In the Linux kernel, the following vulnerability has been resolved: inet: inetdefrag: prevent sk release while still in use The functions iplocalout and others can pass skb-sk as a function argument. If the skb is a fragment and reassembly occurs before such a function call returns, the sk must n...
SUSE-SU-2026:1871-1 Security update for openvswitch
This update for openvswitch fixes the following issue: - CVE-2026-34956: Invalid memory access in conntrack FTP alg bsc1261273...
Medium: kernel
Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix race on port output CVE-2023-53188 In the Linux kernel, the following vulnerability has been resolved: ipvs: properly dereference pe in ipvsaddservice CVE-2024-42322 In the Linux kernel, the...
SUSE 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...
RHCOS 4 : OpenShift Container Platform 4.9.0 (RHSA-2021:3758)
The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:3758 advisory. - coreos-installer: restrict access permissions on /boot/ignition,/config.ign CVE-2021-3917 - jetty: requests to the ConcatServlet 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 lxc lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion
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...
EUVD-2026-27497
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 lxc-user-nic insufficient ownership validation allows cross-tenant OVS port deletion
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...
PT-2026-44288
Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A self-deadlock occurs in the openvswitch vport during the release of tunnel ports. Vports are protected by RCU Read-Copy-Update, a synchronization mechanism that allows multiple readers...
