ROS-20260925-73-0052

The vulnerability of the ovsnetdevtunnelDestroy function in the net/openvswitch/vport-netdev.c file, which is part of the Open vSwitch router support in the Linux operating system, is related to the lack of protection for sensitive data. Exploiting this vulnerability could allow an attacker to...

CVE-2026-97611: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix use-after-free of the flow table mask array tblmaskarrayrealloc retires the old maskarray before it stops being reachable: old = ovsldereferencetbl-maskarray; if old ... callrcu&old-rcu, maskarrayrcucb;...

PT-2026-98551

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the OpenvSwitch component of the Linux kernel. The tbl mask array realloc function retires the old mask array before it is no longer reachable. Because...

CVE-2026-74701: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/openvswitch: check Ethernet header length in keyextract When a packet arrives on an ARPHRDNONE device e.g. TUN, ovsflowkeyextract trusts the user-provided skb-protocol field: if it is ETHPTEB, the packet is classified as...

CVE-2026-74701: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net/openvswitch: check Ethernet header length in keyextract When a packet arrives on an ARPHRDNONE device e.g. TUN, ovsflowkeyextract trusts the user-provided skb-protocol field: if it is ETHPTEB, the packet is classified as...

CVE-2026-74664: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reallocate update replies for mismatched IDs ovsflowcmdnew preallocates the optional reply skb before it takes ovsmutex and before it knows which existing flow will be updated. That is normally fine because the...

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...

The vulnerability in the net_openvswitch/actions.c component of the Linux operating system allows a hacker to cause a service failure.

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...