CVE-2026-46160: btrfs: fix missing last_unlink_trans update when removing a directory
Published May 28, 2026
·Updated
btrfs: fix missing lastunlinktrans update when removing a directory
Affected Software
7 affected componentsFixes available
Linux Linux kernel (btrfs)
Linux Linux kernel>=2.6.30<6.6.141
Linux Linux kernel>=6.7<6.12.91
Linux Linux kernel>=6.13<6.18.30
Linux Linux kernel>=6.19<7.0.7
Linux Linux kernel=7.1-rc1
Microsoft azl3 kernel 6.6.139.1-1<6.6.141.1-1
6.6.141.1-1
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.141.1-1
Event History
May 28, 2026
CVE Published
via MITRE·09:36 AM
Data Sourced
via MITRE·09:36 AM
Description
Data Sourced
via NVD·10:16 AM
RemedyDescriptionSeverityAffected Software
May 29, 2026
Data Sourced
via Microsoft·08:04 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:04 AM
Affected Software
Updated
via Microsoft·08:04 AM
DescriptionSeverity
Feb 17, 58410
Event
via Microsoft·11:32 PM
Frequently Asked Questions
1
What is the severity of CVE-2026-46160?
The severity of CVE-2026-46160 is medium with a CVSS score of 6.1.
2
How do I fix CVE-2026-46160?
To fix CVE-2026-46160, update your Linux kernel to the latest version provided by your distribution.
3
What systems are affected by CVE-2026-46160?
CVE-2026-46160 affects the Linux kernel, specifically the btrfs filesystem implementation.
4
What type of vulnerability is CVE-2026-46160?
CVE-2026-46160 is a vulnerability related to an incorrect update of the last_unlink_trans field when removing a directory.
5
Is there a workaround for CVE-2026-46160?
There is no known workaround for CVE-2026-46160, and it's recommended to apply the security update as soon as it is available.