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This causes a data race and use-after-free on the timer's waker and task state in safe Rust, leading to assertion panics, task reference-count corruption, or heap memory corruption.\n\nThis bug was introduced by https://github.com/tokio-rs/tokio/pull/8458, and it was fixed by https://github.com/tokio-rs/tokio/pull/8692.\n\n### Impact\n\nThis may lead to crashes and use-after-frees in applications using `Interval` on a multi-threaded runtime.\n\nSince this issue is known to lead to crashes in production systems, the v1.54.0 release of Tokio has been yanked.\n\n### Credits\n\nThank you to [creepycode](https://github.com/ByteZ1337) and [carabistouille](https://github.com/carabistouflette) for reporting this privately using the procedure outlined in our security policy. 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This causes a data race and use-after-free on the timer's waker and task state in safe Rust, leading to assertion panics, task reference-count corruption, or heap memory corruption.\n\nThis bug was introduced by https://github.com/tokio-rs/tokio/pull/8458, and it was fixed by https://github.com/tokio-rs/tokio/pull/8692.\n\n## Impact\n\nThis may lead to crashes and use-after-frees in applications using `Interval` on a multi-threaded runtime.\n\nSince this issue is known to lead to crashes in production systems, the v1.54.0 release of Tokio has been yanked.\n\n## Credits\n\nThank you to [creepycode](https://github.com/ByteZ1337) and [carabistouille](https://github.com/carabistouflette) for reporting this privately using the procedure outlined in our security policy. 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