CVE-2025-68358: btrfs: fix racy bitfield write in btrfs_clear_space_info_full()
Published Dec 24, 2025
·Updated
btrfs: fix racy bitfield write in btrfsclearspaceinfofull()
Affected Software
10 affected componentsFixes available
Linux Kernel
Microsoft azl3 kernel 6.6.117.1-1
Linux Linux kernel>=4.8<5.15.201
Linux Linux kernel>=5.16<6.1.164
Linux Linux kernel>=6.2<6.6.124
Linux Linux kernel>=6.7<6.12.68
Linux Linux kernel>=6.13<6.17.13
Linux Linux kernel>=6.18<6.18.2
Microsoft azl3 kernel 6.6.121.1-1
Microsoft cbl2 kernel 5.15.200.1-1
Remediation
Event History
Dec 24, 2025
CVE Published
via MITRE·10:32 AM
Data Sourced
via MITRE·10:32 AM
Description
Data Sourced
via NVD·11:15 AM
RemedyDescriptionSeverityAffected Software
Dec 25, 2025
Data Sourced
via Microsoft·01:04 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·09:04 AM
DescriptionSeverity
Updated
via Microsoft·09:04 AM
Affected Software
Frequently Asked Questions
1
What is the severity of CVE-2025-68358?
CVE-2025-68358 is considered to have a moderate severity level due to potential race conditions in memory access.
2
What systems are affected by CVE-2025-68358?
CVE-2025-68358 affects versions of the Linux Kernel that utilize the btrfs file system.
3
How do I fix CVE-2025-68358?
To resolve CVE-2025-68358, upgrade to the latest stable version of the Linux Kernel that contains the fix.
4
What type of vulnerability is CVE-2025-68358?
CVE-2025-68358 is a race condition vulnerability in the Linux Kernel related to bitfield writes.
5
Is CVE-2025-68358 being actively exploited?
As of now, there are no public reports indicating active exploitation of CVE-2025-68358.