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CVE-2020-24490

MediumPublished

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux...

Published: Feb 2, 2021
Updated: Aug 4, 2024
Assigning CNA: intel
Evidence observed: Aug 8, 2026

Primary CVSS

6.5/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

2.2%

Low · next 30 days

Percentile: 81.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Improper buffer restrictions in BlueZ may allow an unauthenticated user to potentially enable denial of service via adjacent access. This affects all Linux kernel versions that support BlueZ.

Sources

Linux-4.19.72_CVE-2020-24490Research
Linux 4.19.72 kernel source tree for researching the Bluetooth CVE-2020-24490 vulnerability, including reproduction and analysis of the affected subsystem.

Responsible use

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