CVE-2022-3621: Linux Kernel nilfs2 inode.c nilfs_bmap_lookup_at_level null pointer dereference

Published Oct 20, 2022
·
Updated

A vulnerability was found in Linux Kernel. It has been classified as problematic. Affected is the function nilfsbmaplookupatlevel of the file fs/nilfs2/inode.c of the component nilfs2. The manipulation leads to null pointer dereference. It is possible to launch the attack remotely. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211920.

Affected Software

3 affected componentsFixes available
Linux Linux kernel
Debian Debian Linux=10.0
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/linux to a version that resolves this vulnerability.

    Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1

Event History

Oct 20, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 PM
RemedyDescriptionSeverityWeaknessAffected Software
Jul 18, 2023
Data Sourced
10:21 AM
Description
May 2, 2025
Data Sourced
via Ubuntu·04:49 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2022-3621?

CVE-2022-3621 has been classified as problematic due to the potential for remote exploitation.

2

How do I fix CVE-2022-3621?

To mitigate CVE-2022-3621, update to the fixed Linux Kernel versions 5.10.223-1, 5.10.226-1, 6.1.123-1, 6.1.119-1, 6.12.11-1, or 6.12.12-1.

3

Which systems are affected by CVE-2022-3621?

CVE-2022-3621 affects the Linux Kernel, specifically within the nilfs2 component.

4

What type of vulnerability is CVE-2022-3621?

CVE-2022-3621 is a vulnerability that leads to a null pointer dereference.

5

Can CVE-2022-3621 be exploited remotely?

Yes, CVE-2022-3621 can potentially be exploited remotely.

Contact

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