CVE-2021-38191
Published: 8 August 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.
Notes
| Author | Note |
|---|---|
| alexmurray | Only affects version >= 0.3.0 - in Ubuntu all releases currently have 0.1.14 so they are not affected. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
rust-tokio Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| focal |
Not vulnerable
(code not present)
|
|
| hirsute |
Not vulnerable
(code not present)
|
|
| impish |
Not vulnerable
(code not present)
|
|
| jammy |
Not vulnerable
(code not present)
|
|
| trusty |
Does not exist
|
|
| upstream |
Not vulnerable
(debian: Introduced in 0.3.0)
|
|
| xenial |
Ignored
(end of standard support)
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.9 |
| 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
- 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
- NVD
- Launchpad
- Debian