{"id":"CVE-2026-46168","state":"PUBLISHED","title":"mptcp: fix scheduling with atomic in timestamp sockopt","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmptcp: fix scheduling with atomic in timestamp sockopt\n\nUsing lock_sock_fast() (atomic context) around sock_set_timestamp()\nand sock_set_timestamping() is unsafe, as both helpers can sleep.\n\nReplace lock_sock_fast() with sleepable lock_sock()/release_sock()\nto avoid scheduling while atomic panic.","publishedAt":"2026-05-28T09:36:23.394Z","updatedAt":"2026-10-15T01:21:00.385Z","severity":null,"assigner":"Linux","products":["Linux 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