{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-53221/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-28T06:40:33.070Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-53221","@id":"https://www.cve.org/CVERecord?id=CVE-2026-53221","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nip6_vti: fix incorrect tunnel matching in vti6_tnl_lookup()\n\nIn vti6_tnl_lookup(), when an exact match for a tunnel fails,\nthe code falls back to searching for wildcard tunnels:\n\n- Tunnels matching the packet's local address, with any remote address\n  wildcard remote).\n\n- Tunnels matching the packet's remote address, with any local address\n  (wildcard local).\n\nHowever, vti6 stores all these different types of tunnels in the sam"},"products":[{"@id":"cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:linux:linux:*:*:*:*:*:*:*:*"}},{"@id":"cpe:2.3:a:linux:linux:3.19:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:linux:linux:3.19:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 0, 2abfb19bbb81958714ad1d43ebeb65b30394184b, 2fc7bc087cc7085368263d9d37bfe9a0bddd6a2d, 47fb3c2b4203556308e64354b3e78f2ce221d646, 5.10.259, 5.15.210, 6.1.176, 6.6.143, 6.12.94, 6.18.36, 7.0.13, 7.1, 90fd4513315ca07da99cfd8549d3e553a7160f0d, a5c0359f5cbc51a2e2b114d6041e0f3c73f903e9, c327fa4fca31415431202e063767a7ae342e19c6, f513f308cc4bdb4530d033431592ffbc29b7fca1, fc657ac0767c49839b3ef0b08dc0953ca30883f8.","timestamp":"2026-06-28T06:40:33.070Z"}]}