CVE-2026-68422: btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots()
In the Linux kernel, the following vulnerability has been resolved:
btrfs: fix root leak if its reloc root is unexpected in mergerelocroots()
If we have an unexpected relocroot for our root, we jump to the out label but never drop the reference we obtained for root, resulting in a leak. Add a missing btrfsputroot() call.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-68422?
CVE-2026-68422 has a severity rating of 10, indicating a critical vulnerability.
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.
What system is affected by CVE-2026-68422?
CVE-2026-68422 affects the Linux kernel, specifically the btrfs file system.
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.
Is CVE-2026-68422 actively being exploited?
As of now, there is no public information indicating that CVE-2026-68422 is actively being exploited.