CVE-2022-3646

Name: CVE-2022-3646
Creator: NVD / NIST
Published: 2022-10-21T18:15:10.103+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.81%

Last modified Jun 17, 2026

CVE-2022-3646 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function nilfs_attach_log_writer of the file fs/nilfs2/segment.c of the component BPF. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

A vulnerability, which was classified as problematic, has been found in Linux Kernel. This issue affects the function nilfs_attach_log_writer of the file fs/nilfs2/segment.c of the component BPF. The manipulation leads to memory leak. The attack may be initiated remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211961 was assigned to this vulnerability.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

0.81%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	All versions
Debian	Debian Linux	10.0

References

https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=d0d51a97063db4704a5ef6bc978dddab1636a306Mailing List, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlMailing List, Third Party Advisory
https://vuldb.com/?id.211961Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=d0d51a97063db4704a5ef6bc978dddab1636a306Mailing List, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00034.htmlMailing List, Third Party Advisory
https://vuldb.com/?id.211961Third Party Advisory

Timeline

Published: Oct 21, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-3646?

How severe is CVE-2022-3646?

CVE-2022-3646 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.

How do I fix CVE-2022-3646?

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-2022-3646?

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

Scan your code now

Source: NVD / NIST