Vulnerabilities
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CVE Vulnerabilities

CVE-2021-31162

Double Free

Published: Apr 14, 2021 | Modified: Nov 21, 2024
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
9.8 MODERATE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2021-31162
CWEhttps://cwe.mitre.org/data/definitions/415.html

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.

Weakness

The product calls free() twice on the same memory address.

Affected Software

NameVendorStart VersionEnd Version
RustRust-lang1.48.0 (including)1.52.0 (excluding)
Red Hat Developer ToolsRedHatrust-toolset-1.52-0:1.52.1-1.el7_9*
Red Hat Developer ToolsRedHatrust-toolset-1.52-rust-0:1.52.1-2.el7_9*
Red Hat Enterprise Linux 8RedHatrust-toolset:rhel8-8040020210603202531.2daa1a95*
RustcUbuntubionic*
RustcUbuntuesm-apps/focal*
RustcUbuntuesm-apps/xenial*
RustcUbuntuesm-infra-legacy/trusty*
RustcUbuntufocal*
RustcUbuntugroovy*
RustcUbuntuhirsute*
RustcUbuntuimpish*
RustcUbuntujammy*
RustcUbuntukinetic*
RustcUbuntutrusty*
RustcUbuntutrusty/esm*
RustcUbuntuupstream*
RustcUbuntuxenial*

Potential Mitigations

References

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