CVE-2026-68422: btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()
Published Aug 10, 2026
·Updated
btrfs: fix root leak if its reloc root is unexpected in mergerelocroots()
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 10, 2026
CVE Published
via MITRE·12:04 PM
Data Sourced
via MITRE·12:04 PM
Description
Data Sourced
via NVD·01:20 PM
Description
Aug 11, 2026
Data Sourced
via Microsoft·08:11 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·08:11 AM
Affected Software
Updated
via Microsoft·08:11 AM
DescriptionSeverity
Frequently Asked Questions
1
What is the severity of CVE-2026-68422?
CVE-2026-68422 has a severity rating of 10, indicating a critical vulnerability.
2
How do I fix CVE-2026-68422?
To fix CVE-2026-68422, you need to update to the latest version of the Linux kernel that contains the patch.
3
What system is affected by CVE-2026-68422?
CVE-2026-68422 affects the Linux kernel, specifically the btrfs file system.
4
What does CVE-2026-68422 entail?
CVE-2026-68422 involves a root leak issue when an unexpected reloc_root is encountered in the merge_reloc_roots() function.
5
Is CVE-2026-68422 actively being exploited?
As of now, there is no public information indicating that CVE-2026-68422 is actively being exploited.