Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

CVE-2026-31508 net: openvswitch: Avoid releasing netdev before teardown completes

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Avoid releasing netdev before teardown completes The patch cited in the Fixes tag below changed the teardown code for OVS ports to no longer unconditionally take the RTNL. After this change, the netdevdestroy...

CVE-2025-38146 net: openvswitch: Fix the dead loop of MPLS parse

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Fix the dead loop of MPLS parse The unexpected MPLS packet may not end with the bottom label stack. When there are many stacks, The label count value has wrapped around. A dead loop occurs, soft lockup/CPU stuck...

Linux net_openvswitch/actions.c DoS

The vulnerability in the netopenvswitch/actions.c component of the Linux kernel relates to reading data from the buffer beyond its allowable limits. Exploiting this vulnerability can allow an attacker to cause a service failure...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a security issue in the net openvswitch...

PT-2024-3615

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to a Use-After-Free vulnerability in the ovs ct limit exit function in the Linux kernel's net/openvswitch/conntrack.c module. This vulnerability can be exploited t...

CVE-2021-47136

In the Linux kernel, the following vulnerability has been resolved: net: zero-initialize tc skb extension on allocation Function skbextadd doesn't initialize created skb extension with any value and leaves it up to the user. However, since extension of type TCSKBEXT originally contained only sing...