CVE-2025-37931: btrfs: adjust subpage bit start based on sectorsize

Published May 20, 2025
·
Updated

btrfs: adjust subpage bit start based on sectorsize

Affected Software

12 affected componentsFixes available
Linux Linux kernel<=64k page size
Microsoft cbl2 kernel 5.15.186.1-1
Linux Linux kernel>=5.13<6.1.151
Linux Linux kernel>=6.2<6.6.105
Linux Linux kernel>=6.7<6.12.28
Linux Linux kernel>=6.13<6.14.6
Linux Linux kernel=6.15-rc1
Linux Linux kernel=6.15-rc2
Linux Linux kernel=6.15-rc3
Linux Linux kernel=6.15-rc4
Debian Debian Linux=11.0
Microsoft azl3 kernel 6.6.104.2-4<6.6.112.1-1
6.6.112.1-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 6.6.112.1-1

Event History

May 20, 2025
CVE Published
via MITRE·03:21 PM
Data Sourced
via MITRE·03:21 PM
DescriptionSeverity
Data Sourced
via NVD·04:15 PM
RemedyDescriptionSeverityAffected Software
Sep 3, 2025
Data Sourced
via Microsoft·11:57 PM
DescriptionSeverityWeaknessAffected Software
Sep 4, 2025
Updated
via Microsoft·06:57 AM
Affected Software
Updated
via Microsoft·06:57 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-37931?

CVE-2025-37931 has been classified as a high-severity vulnerability due to the potential for tree log corruption in production environments.

2

How do I fix CVE-2025-37931?

To fix CVE-2025-37931, update your Linux kernel to the latest patched version provided by your distribution.

3

What systems are affected by CVE-2025-37931?

CVE-2025-37931 affects the Linux kernel specifically when running machines with 64k page size and a 16k nodesize.

4

What kind of impact can CVE-2025-37931 have on systems?

CVE-2025-37931 can lead to tree log corruption, which may result in data loss or system instability.

5

Who is responsible for addressing CVE-2025-37931?

Kernel maintainers and Linux distribution vendors are responsible for addressing CVE-2025-37931 by releasing appropriate updates.

Contact

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