CVE-2022-3564

Name: CVE-2022-3564
Creator: NVD / NIST
Published: 2022-10-17T19:15:10.187+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 1.29%

Last modified Jun 17, 2026

CVE-2022-3564 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.c of the component Bluetooth. EPSS estimates a 1.29% chance of exploitation in the next 30 days.

Description

A vulnerability classified as critical was found in Linux Kernel. Affected by this vulnerability is the function l2cap_reassemble_sdu of the file net/bluetooth/l2cap_core.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.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

1.29%

66.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
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	All versions
Netapp	H500s Firmware	All versions
Netapp	H700s Firmware	All versions
Netapp	H410s Firmware	All versions

References

https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=89f9f3cb86b1c63badaf392a83dd661d56cc50b1Patch
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20221223-0001/Third Party Advisory
https://vuldb.com/?id.211087Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=89f9f3cb86b1c63badaf392a83dd661d56cc50b1Patch
https://lists.debian.org/debian-lts-announce/2022/12/msg00031.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20221223-0001/Third Party Advisory
https://vuldb.com/?id.211087Third Party Advisory

Timeline

Published: Oct 17, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3564?

How severe is CVE-2022-3564?

CVE-2022-3564 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 1.29% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3564?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-3564?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST