CVE-2025-21958: Time-of-check Time-of-use (TOCTOU) Race Condition

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...

SUSE 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...

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...

DEBIAN-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...

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...

CVE-2023-52977 net: openvswitch: fix flow memory leak in ovs_flow_cmd_new

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...

CVE-2023-52977 net: openvswitch: fix flow memory leak in ovs_flow_cmd_new

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...

CVE-2023-52977

CVE-2023-52977 is a kernel vulnerability in the Linux kernel’s net/openvswitch path where a memory leak occurs in ovs_flow_cmd_new when key allocation fails. The issue is triggered during netlink/genl handling as shown in the provided trace, and the remediation described in the patch is to reorde...

CVE-2023-52977 net: openvswitch: fix flow memory leak in ovs_flow_cmd_new

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...

CVE-2023-52977: Missing Release of Memory after Effective Lifetime

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...

PT-2025-14339

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The issue is related to the openvswitch in the Linux kernel. Specifically, it involves the ovs ct set labels function, which is called for confirmed conntrack entries within ovs ct commi...

Linux Distros Unpatched Vulnerability : CVE-2025-21681

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: openvswitch: fix lockup on tx to unregistering netdev with carrier Commit in a fixes tag...

kernel: net: openvswitch: Fix Use-After-Free in ovs_ct_exit

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: Fix Use-After-Free in ovsctexit The Linux kernel CVE team has assigned CVE-2024-27395 to this issue. Upstream advisory: https://lore.kernel.org/linux-cve-announce/2024050836-CVE-2024-27395-573e@gregkh/T...

Linux Distros Unpatched Vulnerability : CVE-2024-27395

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Red Hat Enterprise Linux - kernel: net: openvswitch: Fix Use-After-Free in ovsctexit Ubuntu Linux - In the Linux kernel, the following vulnerability has been...

Linux Distros Unpatched Vulnerability : CVE-2021-47136

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: zero-initialize tc skb extension on allocation Function skbextadd doesn't initialize...

Linux Distros Unpatched Vulnerability : CVE-2022-4338

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An integer underflow in Organization Specific TLV was found in various versions of OpenvSwitch. CVE-2022-4338 Note that Nessus relies on the presence of the...

Linux Distros Unpatched Vulnerability : CVE-2020-27827

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optiona...

AZL-59082 CVE-2025-21761 affecting package kernel for versions less than 6.6.82.1-1

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...

CVE-2025-21761

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...

DEBIAN-CVE-2025-21761

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...