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CVE-2021-38191

Good to know:

Date: August 8, 2021

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.

Language: RUST

Severity Score

5.9

Related Resources (7)

Url: https://crates.io/crates/tokio

Url: https://rustsec.org/advisories/RUSTSEC-2021-0072.html

Url: https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tokio/RUSTSEC-2021-0072.md

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-38191

Url: https://github.com/tokio-rs/tokio/issues/3929

Url: https://github.com/tokio-rs/tokio

Url: https://www.mend.io/vulnerability-database/CVE-2021-38191

Severity Score

5.9

Weakness Type (CWE)

Race Conditions

CWE-362

Race Condition within a Thread

CWE-366

Top Fix

Upgrade Version

Upgrade to version tokio - 1.5.1,1.6.3,1.7.2, 1.8.1

CVSS v3.1

Base Score:	5.9
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

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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