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Vulnerabilities / CVE-2020-8432

critical

CVE-2020-8432

In Das U-Boot through 2020.01, a double free has been found in the cmd ...

Published Modified CWE 415, 787
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (low).

Description

In Das U-Boot through 2020.01, a double free has been found in the cmd/gpt.c do_rename_gpt_parts() function. Double freeing may result in a write-what-where condition, allowing an attacker to execute arbitrary code. NOTE: this vulnerablity was introduced when attempting to fix a memory leak identified by static analysis.

Affected packages and fixed versions

SourcePackageFixed in
debian 10u-bootno fix listed
debian 11u-boot2020.01+dfsg-2
debian 12u-boot2020.01+dfsg-2
debian 13u-boot2020.01+dfsg-2
debian 14u-boot2020.01+dfsg-2
debian 8u-bootno fix listed
debian 9u-bootno fix listed
echou-boot2020.01+dfsg-2
ubuntu 18.04u-boot2020.10+dfsg-1ubuntu0~18.04.2
ubuntu 18.04-ESMu-boot2020.10+dfsg-1ubuntu0~18.04.2
ubuntu 20.04u-boot2021.01+dfsg-3ubuntu0~20.04.3
ubuntu 20.04-ESMu-boot2021.01+dfsg-3ubuntu0~20.04.3

References

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.