CVE-2026-68450: btrfs: free mapping node on duplicate reloc root insert
Published Aug 12, 2026
·Updated
btrfs: free mapping node on duplicate reloc root insert
Affected Software
2 affected componentsFixes available
Linux Linux kernel
Microsoft azl3 kernel 6.6.143.1-1<6.6.150.1-1
6.6.150.1-1
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 6.6.150.1-1
Event History
Aug 12, 2026
CVE Published
via MITRE·12:51 AM
Data Sourced
via MITRE·12:51 AM
Description
Data Sourced
via NVD·01:17 AM
Description
Aug 15, 2026
Data Sourced
via Microsoft·01:48 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·01:48 AM
Affected Software
Updated
via Microsoft·01:48 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-68450?
CVE-2026-68450 is classified with a risk score of 2.
2
How do I fix CVE-2026-68450?
To fix CVE-2026-68450, ensure you update to the latest version of the Linux kernel that contains the patch for this vulnerability.
3
What systems are affected by CVE-2026-68450?
CVE-2026-68450 affects the btrfs filesystem component of the Linux kernel.
4
Can CVE-2026-68450 lead to data loss?
There is potential for data integrity issues in systems running affected versions of the Linux kernel if CVE-2026-68450 is exploited.
5
What are the symptoms of CVE-2026-68450 exploitation?
Symptoms of CVE-2026-68450 exploitation may include unexpected system behavior related to btrfs filesystem operations.