CVE-2026-64531

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, whose nlalen field is u16. Commit a1e64addf3ff "net: openvswitch: remove misbehaving actions length check" allowed the...

CVE-2026-64531 net: openvswitch: reject oversized nested action attrs

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, whose nlalen field is u16. Commit a1e64addf3ff "net: openvswitch: remove misbehaving actions length check" allowed the...

CVE-2026-64531

The CVE-2026-64531 issue affects Open vSwitch flow actions stored as nlattrs in the Linux kernel’s net/openvswitch path. A prior change removed a guard on the action length, enabling a total sw_flow_actions stream to exceed 64 KiB and allowing a nested action container to be truncated via nla_len...

GSD-2022-1001013 net: openvswitch: fix leak of nested actions

net: openvswitch: fix leak of nested actions This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.17.3 by commit...