CVE-2021-38191
Publication date 8 August 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
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.
Status
Package | Ubuntu Release | Status |
---|---|---|
rust-tokio | 22.04 LTS jammy |
Not affected
|
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Ignored end of standard support | |
14.04 LTS trusty | Not in release |
Notes
alexmurray
Only affects version >= 0.3.0 - in Ubuntu all releases currently have 0.1.14 so they are not affected.
Severity score breakdown
Parameter | Value |
---|---|
Base score | 5.9 · Medium |
Attack vector | Network |
Attack complexity | High |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Other references
- https://rustsec.org/advisories/RUSTSEC-2021-0072.html
- https://github.com/tokio-rs/tokio/issues/3929
- https://github.com/tokio-rs/tokio/pull/3934
- https://github.com/tokio-rs/tokio/pull/3934/commits/84394949228d11d1f68925e26f36c435946b9d11
- https://raw.githubusercontent.com/rustsec/advisory-db/main/crates/tokio/RUSTSEC-2021-0072.md
- https://www.cve.org/CVERecord?id=CVE-2021-38191