CVE-2021-3760: Use After Free

Published Sep 2, 2021
·
Updated

A flaw was found in the Linux kernel in NFC stack (protocol) that is UAF vulnerability of ndev->rfconninfo object.

Other sources

A flaw was found in the Linux kernel. A use-after-free vulnerability in the NFC stack can lead to a threat to confidentiality, integrity, and system availability.

Affected Software

61 affected componentsFixes available
redhat/kernel 5.14.15<100.
100.
redhat/kernel 5.14.15<200.
200.
redhat/kernel 5.14.15<300.
300.
Linux Linux kernel>=4.0<4.4.290
Linux Linux kernel>=4.5<4.9.288
Linux Linux kernel>=4.10<4.14.253
Linux Linux kernel>=4.15<4.19.214
Linux Linux kernel>=4.20<5.4.156
Linux Linux kernel>=5.5<5.10.76
Linux Linux kernel>=5.11<5.14.15
Fedoraproject Fedora=34
Debian Debian Linux=9.0
NetApp H300s Firmware
NetApp H300s
NetApp H500s Firmware
NetApp H500s
NetApp H700s Firmware
NetApp H700s
NetApp H300e Firmware
NetApp H300e
NetApp H500e Firmware
NetApp H500e
NetApp H700e Firmware
NetApp H700e
NetApp H410s Firmware
NetApp H410s
NetApp H410c Firmware
NetApp H410c
All of the following
NetApp H300s Firmware
NetApp H300s
All of the following
NetApp H500s Firmware
NetApp H500s
All of the following
NetApp H700s Firmware
NetApp H700s
All of the following
NetApp H300e Firmware
NetApp H300e
All of the following
NetApp H500e Firmware
NetApp H500e
All of the following
NetApp H700e Firmware
NetApp H700e
All of the following
NetApp H410s Firmware
NetApp H410s
All of the following
NetApp H410c Firmware
NetApp H410c
NetApp Baseboard Management Controller H300s Firmware
NetApp Baseboard Management Controller H300s
NetApp Baseboard Management Controller H500s Firmware
NetApp Baseboard Management Controller H500s
NetApp Baseboard Management Controller H700s Firmware
NetApp Baseboard Management Controller H700s
NetApp Baseboard Management Controller H300e Firmware
NetApp Baseboard Management Controller H300e
NetApp Baseboard Management Controller H500e Firmware
NetApp Baseboard Management Controller H500e
NetApp Baseboard Management Controller H700e Firmware
NetApp Baseboard Management Controller H700e
NetApp Baseboard Management Controller H410s Firmware
NetApp Baseboard Management Controller H410s
NetApp Baseboard Management Controller H410c Firmware
NetApp Baseboard Management Controller H410c
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Event History

Sep 15, 2021
CVE Published
09:00 AM
Data Sourced
09:00 AM
RemedyDescriptionSeverityWeakness
Feb 16, 2022
CVE Published
via MITRE·06:35 PM
Data Sourced
via MITRE·06:35 PM
DescriptionWeakness
Jan 11, 2024
Data Sourced
via Launchpad·11:58 PM
Description
Apr 28, 2025
Data Sourced
via Ubuntu·04:30 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·04:31 AM
DescriptionAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2021-3760?

CVE-2021-3760 is classified as a use-after-free vulnerability in the Linux kernel's NFC stack, posing risks to confidentiality, integrity, and system availability.

2

How do I fix CVE-2021-3760?

To fix CVE-2021-3760, upgrade to the latest patched versions of the Linux kernel or apply available security patches from your distribution.

3

Which Linux kernel versions are affected by CVE-2021-3760?

CVE-2021-3760 affects various versions of the Linux kernel, including multiple distributions with versions less than 5.14.15 and with specific Debian versions.

4

What types of systems are impacted by CVE-2021-3760?

CVE-2021-3760 impacts systems running vulnerable versions of the Linux kernel, particularly those utilizing NFC stack functionality.

5

Is there a workaround for CVE-2021-3760?

While upgrading is the recommended solution for CVE-2021-3760, temporary workarounds may include disabling NFC functionality if it is not needed.

Contact

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