Use After Free Affecting rust-toolset:rhel8/rust-src package, versions <0:1.52.1-1.module+el8.4.0+11282+0729bac9


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.17% (85th percentile)

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  • Snyk IDSNYK-RHEL8-RUSTTOOLSET-4070120
  • published26 Jul 2021
  • disclosed28 Mar 2021

Introduced: 28 Mar 2021

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

How to fix?

Upgrade RHEL:8 rust-toolset:rhel8/rust-src to version 0:1.52.1-1.module+el8.4.0+11282+0729bac9 or higher.
This issue was patched in RHSA-2021:3063.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rust-toolset:rhel8/rust-src package and not the rust-toolset:rhel8/rust-src package as distributed by RHEL. See How to fix? for RHEL:8 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 Scores

version 3.1