RHSA-2025:3970 Red Hat Security Advisory: openvswitch3.1 security update

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RHSA-2025:3963 Red Hat Security Advisory: openvswitch3.1 security update

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RHSA-2025:3964 Red Hat Security Advisory: openvswitch3.3 security update

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Important: Red Hat Security Advisory: openvswitch3.4 security update

An update for openvswitch3.4 is now available for Fast Datapath 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...

dpdk: Denial Of Service from malicious guest on hypervisors using DPDK Vhost library

An out-of-bounds read vulnerability was found in DPDK's Vhost library checksum offload feature. This issue enables an untrusted or compromised guest to crash the hypervisor's vSwitch by forging Virtio descriptors to cause out-of-bounds reads. This flaw allows an attacker with a malicious VM using...

Important: Red Hat Security Advisory: openvswitch3.3 security update

An update for openvswitch3.3 is now available for Fast Datapath 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...

Important: Red Hat Security Advisory: openvswitch3.1 security update

An update for openvswitch3.1 is now available for Fast Datapath for Red Hat Enterprise Linux 8. 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...

dpdk: Denial Of Service from malicious guest on hypervisors using DPDK Vhost library

An out-of-bounds read vulnerability was found in DPDK's Vhost library checksum offload feature. This issue enables an untrusted or compromised guest to crash the hypervisor's vSwitch by forging Virtio descriptors to cause out-of-bounds reads. This flaw allows an attacker with a malicious VM using...

Important: Red Hat Security Advisory: openvswitch3.1 security update

An update for openvswitch3.1 is now available for Fast Datapath 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...

UBUNTU-CVE-2025-22057

In the Linux kernel, the following vulnerability has been resolved: net: decrease cached dst counters in dstrelease Upstream fix ac888d58869b "net: do not delay dstentriesadd in dstrelease" moved decrementing the dst count from dstdestroy to dstrelease to avoid accessing already freed data in cas...

RHEL 7 : openvswitch (RHSA-2016:0523)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2016:0523 advisory. Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic. Security Fixe...

PT-2025-18469

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, specifically in the openvswitch component. The issue concerns the validation of nested key length in the set action, where it is no...

The vulnerability of the MAC Service Monitor component of the Open vSwitch software multi-level switch allows a attacker to trigger a service failure.

The vulnerability of the MAC Service Monitor component of the Open vSwitch software multi-level switch is related to uncontrolled resource consumption. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...

The vulnerability of the Open vSwitch multi-level switch lies in the lack of a mechanism for verifying the source of the connection. This allows an attacker to trigger a service failure.

The vulnerability of the Open vSwitch multi-level switch lies in the lack of a mechanism for verifying the source of the connection. Exploiting this vulnerability allows an attacker to trigger a service failure using specially created BFD packets...

PT-2025-16697

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, related to the handling of cached destination counters in the dst release function. When CONFIG DST CACHE is enabled and Open vSwit...

CVE-2025-21958

In the Linux kernel, the following vulnerability has been resolved: Revert "openvswitch: switch to per-action label counting in conntrack" Currently, ovsctsetlabels is only called for confirmed conntrack entries ct within ovsctcommit. However, if the conntrack entry does not have the labelsext...

CVE-2025-21958

CVE-2025-21958 affects the Linux kernel with an OVS/conntrack interaction. The issue arises from reverting a prior change to per-action label counting in conntrack, causing ovs_ct_set_labels() to be called only for confirmed conntrack entries. If a conntrack entry lacks the labels_ext extension, ...

CVE-2025-21958

In the Linux kernel, the following vulnerability has been resolved: Revert "openvswitch: switch to per-action label counting in conntrack" Currently, ovsctsetlabels is only called for confirmed conntrack entries ct within ovsctcommit. However, if the conntrack entry does not have the labelsext...

CVE-2023-52977

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow memory leak in ovsflowcmdnew Syzkaller reports a memory leak of newflow in ovsflowcmdnew as it is not freed when an allocation of a key fails. BUG: memory leak unreferenced object 0xffff888116668000 siz...

Linux kernel 安全漏洞

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 originates from a memory leak caused by the net openvswitch component failing to release newflow when it fails to...