Use After Free Affecting rust-src package, versions <0:1.56.1-1.amzn2.0.1


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
2.89% (86th percentile)

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  • Snyk IDSNYK-AMZN2-RUSTSRC-2950739
  • published15 Jul 2022
  • disclosed14 Apr 2021

Introduced: 14 Apr 2021

CVE-2021-31162  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 rust-src to version 0:1.56.1-1.amzn2.0.1 or higher.
This issue was patched in ALAS2-2022-1816.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rust-src package and not the rust-src package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

In the standard library in Rust before 1.52.0, a double free can occur in the Vec::from_iter function if freeing the element panics.

CVSS Base Scores

version 3.1