CVE-2026-98245: btrfs: take commit root semaphore when iterating in mark_block_group_to_copy()
Published Oct 6, 2026
·Updated
btrfs: take commit root semaphore when iterating in markblockgrouptocopy()
Affected Software
1 affected component
Linux Linux kernel
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Compensating control
Use path->need_commit_sem to protect the commit root search while iterating in mark_block_group_to_copy().
Event History
Oct 6, 2026
CVE Published
via MITRE·08:45 AM
Data Sourced
via MITRE·08:45 AM
Description
Data Sourced
via NVD·09:18 AM
Description
Oct 7, 2026
Data Sourced
via Microsoft·08:05 AM
DescriptionSeverityWeakness