CVE-2025-39779: btrfs: subpage: keep TOWRITE tag until folio is cleaned
Published Sep 11, 2025
·Updated
btrfs: subpage: keep TOWRITE tag until folio is cleaned
Affected Software
11 affected components
Linux Kernel
Microsoft azl3 kernel 6.6.96.2-2
Microsoft azl3 kernel 6.6.104.2-4
Linux Linux kernel>=5.13<6.12.44
Linux Linux kernel>=6.13<6.16.4
Linux Linux kernel=6.17-rc1
Linux Linux kernel=6.17-rc2
Microsoft cbl2 kernel 5.15.186.1-1
Microsoft azl3 kernel 6.6.112.1-2
Microsoft azl3 kernel 6.6.117.1-1
Microsoft azl3 kernel 6.6.119.3-1
Event History
Sep 11, 2025
CVE Published
via MITRE·04:56 PM
Data Sourced
via MITRE·04:56 PM
DescriptionSeverity
Data Sourced
via NVD·05:15 PM
RemedyDescriptionSeverityAffected Software
Sep 13, 2025
Data Sourced
via Microsoft·01:02 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·01:02 AM
Affected Software
Updated
via Microsoft·08:02 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2025-39779?
CVE-2025-39779 has been classified with a medium severity level due to potential compromise of data integrity.
2
How do I fix CVE-2025-39779?
To fix CVE-2025-39779, you should update your Linux kernel to the latest patched version provided by your distribution.
3
What systems are affected by CVE-2025-39779?
CVE-2025-39779 affects specific versions of the Linux kernel that utilize the btrfs filesystem.
4
What is the impact of CVE-2025-39779?
The impact of CVE-2025-39779 could result in improper data handling leading to potential data loss or corruption.
5
Has CVE-2025-39779 been publicly disclosed?
Yes, CVE-2025-39779 has been publicly disclosed along with its associated fixes in the Linux kernel.