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CVE-2021-38191

nvd nist
Published: Aug 8, 2021Modified: Jun 17, 2026

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5.9
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.2 / Impact: 3.6
Source: NVD

Description

An issue was discovered in the tokio crate before 1.8.1 for Rust. Upon a JoinHandle::abort, a Task may be dropped in the wrong thread.

Affected (4)

Products: Tokio: Tokio
Tokio
1 product
Tokio
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Tokio
Tokio
From 0.3.0 to 1.5.1
Tokio
From 1.6.0 to 1.6.3
Tokio
From 1.7.0 to 1.7.2
Tokio
Version 1.8.0

Related CWEs

CWE-362
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

References (4)

Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
ExploitIssue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitIssue TrackingPatchThird Party Advisory

Timeline

No history available yet.