CVE-2020-24490: Input Validation

Published Feb 2, 2021
·
Updated

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.

Affected Software

11 affected componentsFixes available
Linux Linux kernel=5.8
Linux Linux kernel=5.9
All of the following
BlueZ BlueZ
Any of the following
Linux Linux kernel>=4.19<4.19.137
Linux Linux kernel>=4.20<5.4.56
Linux Linux kernel>=5.5.0<5.7.13
BlueZ BlueZ
Linux Linux kernel>=4.19<4.19.137
Linux Linux kernel>=4.20<5.4.56
Linux Linux kernel>=5.5.0<5.7.13
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Event History

Oct 14, 2020
News Published
via ZDNet·11:07 AM
Feb 2, 2021
CVE Published
via MITRE·09:29 PM
Data Sourced
via MITRE·09:29 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:45 PM
Description
Jan 20, 2024
News Published
via ZDNet·05:13 AM
May 10, 2025
Data Sourced
via Ubuntu·04:24 AM
RemedyDescriptionSeverityAffected Software

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2020-24490?

CVE-2020-24490 is a vulnerability that involves improper buffer restrictions in BlueZ, which may allow an unauthenticated user to potentially enable denial of service via adjacent access.

2

Which versions of Linux kernel are affected by CVE-2020-24490?

All Linux kernel versions that support BlueZ are affected by CVE-2020-24490.

3

How can an unauthenticated user exploit CVE-2020-24490?

An unauthenticated user can potentially enable denial of service by leveraging the improper buffer restrictions in BlueZ.

4

Are there any remedies available for CVE-2020-24490?

Yes, remedies are available. For Ubuntu users, updating to Linux kernel version 5.8 or later can mitigate this vulnerability.

5

Where can I find more information about CVE-2020-24490?

You can find more information about CVE-2020-24490 on the Intel Security Center, Launchpad, and MITRE CVE websites.

Contact

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