CVE-2026-43308: btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()
Published May 8, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
btrfs: don't BUG() on unexpected delayed ref type in runonedelayedref()
There is no need to BUG(), we can just return an error and log an error message.
Affected Software
2 affected components
Linux btrfs (Linux kernel)
Linux Linux kernel>=2.6.31<6.19.6
Remediation
Event History
May 8, 2026
CVE Published
via MITRE·01:11 PM
Data Sourced
via MITRE·01:11 PM
Description
Data Sourced
via NVD·02:16 PM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-43308?
CVE-2026-43308 is classified as a low-severity vulnerability due to improper error handling.
2
How do I fix CVE-2026-43308?
To fix CVE-2026-43308, update your Linux kernel to the latest version that addresses this issue.
3
What does CVE-2026-43308 affect?
CVE-2026-43308 affects the btrfs file system in the Linux kernel.
4
What are the consequences of CVE-2026-43308?
The consequences of CVE-2026-43308 include potential application crashes due to unexpected error handling in the btrfs file system.
5
When was CVE-2026-43308 reported?
CVE-2026-43308 was reported as a vulnerability in the Linux kernel's btrfs implementation.