CVE-2022-3565

Name: CVE-2022-3565
Creator: NVD / NIST
Published: 2022-10-17T19:15:10.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2022-3565 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function del_timer of the file drivers/isdn/mISDN/l1oip_core.c of the component Bluetooth. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function del_timer of the file drivers/isdn/mISDN/l1oip_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 identifier of this vulnerability is VDB-211088.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.32%

23.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	>= 2.6.27, < 4.9.331
Linux	Linux Kernel	>= 4.10, < 4.14.296
Linux	Linux Kernel	>= 4.15, < 4.19.262
Linux	Linux Kernel	>= 4.20, < 5.4.220
Linux	Linux Kernel	>= 5.5, < 5.10.150
Linux	Linux Kernel	>= 5.11, < 5.15.75
Linux	Linux Kernel	>= 5.16, < 5.19.17
Linux	Linux Kernel	>= 6.0, < 6.0.3

References

https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=2568a7e0832ee30b0a351016d03062ab4e0e0a3fPatch, Third Party Advisory
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://vuldb.com/?id.211088Permissions Required
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=2568a7e0832ee30b0a351016d03062ab4e0e0a3fPatch, Third Party Advisory
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://vuldb.com/?id.211088Permissions Required

Timeline

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

Frequently Asked Questions

What is CVE-2022-3565?

How severe is CVE-2022-3565?

CVE-2022-3565 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3565?

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-2022-3565?

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

Scan your code now

Source: NVD / NIST