CVE-2026-45840 | Linux Kernel up to 6.6.140/6.12.90/6.18.32/7.0.9 openvswitch datapath.c ovs_vport_get_upcall_portids deserialization

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A vulnerability was found in Linux Kernel up to 6.6.140/6.12.90/6.18.32/7.0.9. It has been rated as critical. This issue affects the function ovs_vport_get_upcall_portids of the file net/openvswitch/datapath.c of the component openvswitch. Performing a manipulation results in deserialization.

This vulnerability is identified as CVE-2026-45840. The attack can only be performed from the local network. There is not any exploit available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More