Astra Linux – Vulnerability in Linux, Linux 5.10

An integer coercion error was detected in the openvswitch kernel module. When there are a sufficient number of actions, while copying and reserving memory for a new action of a new flow, the reservesfasize function does not return -EMSGSIZE as expected. This could potentially lead to an...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: openvswitch: Fixed a memory leak that occurred during failed datapath creation. ovsdpcmdnew - ovsdpchange - ovsdpsetupcallportids allocates an array using kmalloc. If newvport fails during ovsdpcmdnew, dp-upcallportids must be...

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-2026-36995

Name of the Vulnerable Software and Affected Versions lxc versions prior to 7.0.0 Description A logic flaw in the find line function of the lxc-user-nic setuid helper allows an unprivileged user to delete OVS-attached network interfaces belonging to other users. When scanning the NIC database to...

net: openvswitch: Avoid releasing netdev before teardown completes

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CVE-2026-31679

A flaw was found in the Linux kernel's openvswitch component. This vulnerability arises from improper validation of Multiprotocol Label Switching MPLS payload lengths during SET/SETMASKED actions. An attacker could potentially exploit this by providing malformed MPLS key data, leading to unexpect...

SUSE CVE-2026-31678

In the Linux kernel, the following vulnerability has been resolved: openvswitch: defer tunnel netdevput to RCU release ovsnetdevtunneldestroy may run after NETDEVUNREGISTER already detached the device. Dropping the netdev reference in destroy can race with concurrent readers that still observe...

SUSE CVE-2026-31679

In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/setmasked payload length validateset accepted OVSKEYATTRMPLS as variable-sized payload for SET/SETMASKED actions. In action handling, OVS expects fixed-size MPLS key data struct ovskeympls. Use the...

CVE-2026-31679

Summary: CVE-2026-31679 affects the Linux kernel openvswitch code. The vulnerability arises from improper validation of MPLS payload lengths in SET/SET_MASKED actions: openvswitch accepted OVS_KEY_ATTR_MPLS as a variable-sized payload, while action handling expects fixed-size MPLS data (struct ov...

CVE-2026-31679

In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/setmasked payload length validateset accepted OVSKEYATTRMPLS as variable-sized payload for SET/SETMASKED actions. In action handling, OVS expects fixed-size MPLS key data struct ovskeympls. Use the...

EUVD-2026-25646

In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/setmasked payload length validateset accepted OVSKEYATTRMPLS as variable-sized payload for SET/SETMASKED actions. In action handling, OVS expects fixed-size MPLS key data struct ovskeympls. Use the...

CVE-2026-31679

In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/setmasked payload length validateset accepted OVSKEYATTRMPLS as variable-sized payload for SET/SETMASKED actions. In action handling, OVS expects fixed-size MPLS key data struct ovskeympls. Use the...