Ecosyste.ms: Advisories

Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTRoamctY3g4OC1nOWY5

Data races in futures-intrusive

GenericMutexGuard was given the Sync auto trait as long as T is Send due to its contained members. However, since the guard is supposed to represent an acquired lock and allows concurrent access to the underlying data from different threads, it should only be Sync when the underlying data is.

This is a soundness issue and allows data races, potentially leading to crashes and segfaults from safe Rust code.

The flaw was corrected by adding a T: Send + Sync bound for GenericMutexGuard's Sync trait.

Permalink: https://github.com/advisories/GHSA-4hjg-cx88-g9f9
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTRoamctY3g4OC1nOWY5
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: over 2 years ago
Updated: 11 months ago

CVSS Score: 5.5
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-4hjg-cx88-g9f9, CVE-2020-35915
References:

• https://nvd.nist.gov/vuln/detail/CVE-2020-35915
• https://github.com/Matthias247/futures-intrusive/issues/53
• https://rustsec.org/advisories/RUSTSEC-2020-0072.html
• https://github.com/advisories/GHSA-4hjg-cx88-g9f9

Repository: https://github.com/Matthias247/futures-intrusive
Blast Radius: 19.7

Affected Packages