CVE-2021-38191
MEDIUM
5.9
CVSS Score
Published: August 8, 2021 at 05:09 AM UTC
Updated: June 17, 2026 at 04:01 AM UTC
1 product affected across 1 vendorTokio
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Severity
MEDIUM5.9
Exploit prediction
EPSS 0.8%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Affected range stops below 1.5.1, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.6.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.7.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tokio/RUSTSEC-2021-0072.mdx_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://rustsec.org/advisories/RUSTSEC-2021-0072.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-362
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