CVE-2022-3564: Linux Kernel Bluetooth l2cap_core.c l2cap_reassemble_sdu use after free

Published Oct 17, 2022
·
Updated

A use-after-free in the function l2capreassemblesdu of the file net/bluetooth/l2capcore.c of the component Bluetooth in Linux Kernel could allow a remote authenticated attacker from within the local network to cause an unknown impact.

Other sources

A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2capreassemblesdu of the file net/bluetooth/l2capcore.c of the component Bluetooth. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-211087.

Affected Software

26 affected componentsFixes available
IBM QRadar SIEM<=7.5.0 - 7.5.0 UP6
Linux Linux kernel>=3.6<4.9.333
Linux Linux kernel>=4.10<4.14.299
Linux Linux kernel>=4.15<4.19.265
Linux Linux kernel>=4.20<5.4.224
Linux Linux kernel>=5.5.0<5.10.154
Linux Linux kernel>=5.11<5.15.78
Linux Linux kernel>=5.16<6.0.8
Debian Debian Linux=10.0
NetApp H300s Firmware
NetApp H300s
NetApp H500s Firmware
NetApp H500s
NetApp H700s Firmware
NetApp H700s
NetApp H410s Firmware
NetApp H410s
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 H410s Firmware
NetApp H410s
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Event History

Oct 17, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Dec 5, 2022
Data Sourced
via Red Hat·07:53 PM
DescriptionSeverityAffected Software
Jul 18, 2023
Data Sourced
10:20 AM
Description
Apr 28, 2025
Data Sourced
via Ubuntu·04:47 AM
RemedyDescriptionSeverityAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2022-3564?

CVE-2022-3564 is classified as a critical vulnerability.

2

How can I fix CVE-2022-3564?

To fix CVE-2022-3564, update your Bluetooth stack in the Linux Kernel to the latest version that contains the patch.

3

Which software is affected by CVE-2022-3564?

CVE-2022-3564 affects various versions of the Linux Kernel as well as IBM QRadar SIEM version 7.5.0 UP6.

4

What type of vulnerability is CVE-2022-3564?

CVE-2022-3564 is a use-after-free vulnerability found in the Bluetooth component of the Linux Kernel.

5

Can CVE-2022-3564 be exploited remotely?

Yes, CVE-2022-3564 can potentially be exploited by a remote authenticated attacker within the local network.

Contact

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