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CVE-2021-38191

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. Converted from WS-2021-0178, on 2021-08-09.

Language: RUST

Severity Score

Related Resources (7)

https://crates.io/crates/tokio
https://rustsec.org/advisories/RUSTSEC-2021-0072.html
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tokio/RUSTSEC-2021-0072.md
https://nvd.nist.gov/vuln/detail/CVE-2021-38191
https://github.com/tokio-rs/tokio/issues/3929
https://github.com/tokio-rs/tokio
https://www.mend.io/vulnerability-database/CVE-2021-38191

Severity Score

Weakness Type (CWE)

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

CWE-362

Race Condition within a Thread

CWE-366

CVSS v3.1

Base Score:
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:
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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