CVE-2021-38191

Severity CVSS v4.0:

Pending analysis

Type:

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

Publication date:

08/08/2021

Last modified:

03/11/2022

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.90 MEDIUM
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

5.90

Severity 3.x

MEDIUM

Vector 2.0

AV:N/AC:M/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.30 MEDIUM
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

4.30

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:tokio:tokio::::::rust::*	0.3.0 (including)	1.5.1 (excluding)
cpe:2.3:a:tokio:tokio::::::rust::*	1.6.0 (including)	1.6.3 (excluding)
cpe:2.3:a:tokio:tokio::::::rust::*	1.7.0 (including)	1.7.2 (excluding)
cpe:2.3:a:tokio:tokio:1.8.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2021-38191

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools