CVE-2026-31508

The CVE-2026-31508 issue affects the Linux kernel in the Open vSwitch teardown path. The root cause is that after a patch, the teardown code for OVS ports no longer unconditionally takes the RTNL, allowing netdev_destroy() to finish and free the netdev before unregistration completes if the IFF_O...

Azure Linux 3.0 Security Update: hyperv-daemons (CVE-2024-27395)

The version of hyperv-daemons installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-27395 advisory. - In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Fix...

CVE-2023-53843

CVE-2023-53843: In the Linux kernel, net: openvswitch: reject negative ifindex has been fixed. The issue arose from net-next changes that reworked pre‑assigned ifindexes and allowed ovs netdev ports to be created with negative ifindex values, which could be surfaced via certain commands and tools...

CVE-2023-53843

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject negative ifindex Recent changes in net-next commit 759ab1edb56c "net: store netdevs in an xarray" refactored the handling of pre-assigned ifindexes and let syzbot surface a latent problem in ovs. ovs does...

kernel: openvswitch: use RCU protection in ovs_vport_cmd_fill_info()

In the Linux kernel, the following vulnerability has been resolved: openvswitch: use RCU protection in ovsvportcmdfillinfo ovsvportcmdfillinfo can be called without RTNL or RCU. Use RCU protection and devnetrcu to avoid potential UAF...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-990017)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-990017 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix possible memory leak in ovsmetercmdset oldmeter needs to be free after it i...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-987706)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987706 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix flow memory leak in ovsflowcmdnew Syzkaller reports a memory leak of newflo...

Virtuozzo Hybrid Infrastructure 6.2 Update 1 Hotfix 7 (6.2.1-97)

This update provides stability fixes and support for cumulative updates. Clusters running version 6.2.1 or later can now upgrade directly to the latest available version in a single step. Vulnerability id: VSTOR-91715 Failed to retry updating the kernel. Vulnerability id: VSTOR-93149, VSTOR-10082...

EUVD-2018-2949

Malware in sbrugna...

EUVD-2022-53397

Malicious code in bioql PyPI...

Open vSwitch Router DoS

The vulnerability of the ovsmetercmdset function in the netopenvswitch/meter.c module, which is part of the Open vSwitch router support in Linux operating systems, stems from improper memory release before deleting the last reference memory leak. Exploiting this vulnerability could allow an...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: OpenVSwitch: fixed the issue where locking occurred when trying to unregister a netdev with a carrier. The commit in the “fixes” tag attempted to fix this issue through the following sequence of calls: dooutput → ovsvportsend →...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: openvswitch: Use RCU protection in ovsvportcmdfillinfo. ovsvportcmdfillinfo can be called without RTNL or RCU. Use RCU protection and devnetrcu to avoid potential UAF Use-After-Free errors...

Linux kernel Flow Buffer Overflow DoS

The vulnerabilities of the functions nlaallocflowactions and ovsnlafreesetaction in the netopenvswitch/flownetlink.c module of the Linux kernel are related to memory leaks. Exploiting these vulnerabilities could allow an attacker to cause a service failure...

DEBIAN-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...

CVE-2025-22057: Undefined Security Weakness

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...

Open vSwitch datapath.c function OVS vport cmd fill info

The vulnerability of the ovsvportcmdfillinfo function in the net/openvswitch/datapath.c module, which is part of the Open vSwitch router support in the Linux operating system, relates to the reutilization of previously released memory. Exploiting this vulnerability could allow an attacker to...

PT-2025-14307

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 udp gso segment function. The issue occurs when the socket reference is not properly removed after the skb destructo...

UBUNTU-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...

Missing Encryption of Sensitive Data

Overview Affected versions of this package are vulnerable to Missing Encryption of Sensitive Data due to the use of insecure Shiro options secureCookies=False and httpOnly=False. An attacker in a MitM position can access sensitive information in transit. Remediation There is no fixed version for...