CVE-2021-45710

tokio: Race leads to panic in oneshot::Sender::send()

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Severity

Low

Red Hat Product Security

7.3

CVSS 3.1

Review impact separately from score.

Published · December 27, 2021

Updated · November 22, 2025

Description

A flaw was found in the tokio crate for Rust. In circumstances involving a closed oneshot channel, there is a data race and memory corruption issue.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')