CVE-2026-31679

A flaw was found in the Linux kernel's openvswitch component. This vulnerability arises from improper validation of Multiprotocol Label Switching MPLS payload lengths during SET/SETMASKED actions. An attacker could potentially exploit this by providing malformed MPLS key data, leading to unexpect...

CVE-2026-31679 openvswitch: validate MPLS set/set_masked payload length

In the Linux kernel, the following vulnerability has been resolved: openvswitch: validate MPLS set/setmasked payload length validateset accepted OVSKEYATTRMPLS as variable-sized payload for SET/SETMASKED actions. In action handling, OVS expects fixed-size MPLS key data struct ovskeympls. Use the...