CVE-2026-115567
Severity not reportedTokio is a runtime for writing applications with Rust.
Tokio is a runtime for writing applications with Rust. In 1.54.0, a race condition between tokio::time::Interval::poll_tick (including .tick().await) and the multi-threaded runtime's time driver could drop an internal timer entry without synchronizing with the driver thread that was firing it. The race caused a use-after-free on the timer's waker and task state in safe Rust, which could produce assertion panics, task reference-count corruption, or heap memory corruption. This issue is fixed in 1.54.1.
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/tokio-rs/tokio/commit/2b4eba7833864c04ecd2f3e5f4a97ff4f6fa28d0 security-advisories@github.com
- https://github.com/tokio-rs/tokio/commit/5ed619bbaba87357ee5103d71b75e7c84cad99c9 security-advisories@github.com
- https://github.com/tokio-rs/tokio/pull/8458 security-advisories@github.com
- https://github.com/tokio-rs/tokio/pull/8692 security-advisories@github.com
- https://github.com/tokio-rs/tokio/releases/tag/tokio-1.54.1 security-advisories@github.com
- https://github.com/tokio-rs/tokio/security/advisories/GHSA-5wjr-9356-4wc8 security-advisories@github.com