CVE-2026-97545: xfs: don't leak new_bp if xfs_btree_bload_drop_buf fails
Published Sep 25, 2026
·Updated
In the Linux kernel, the following vulnerability has been resolved:
xfs: don't leak newbp if xfsbtreebloaddropbuf fails
LOLLM observes that in xfsbtreebloadprepblock, xfsbtreebloaddropbuf can hit an IO error if writing the delwri buffer list to disk fails. In this case, we fail to release newbp, which means we lose a locked buffer. Fix that.
Affected Software
1 affected component
Linux Linux kernel
Event History
Sep 25, 2026
CVE Published
via MITRE·10:21 AM
Data Sourced
via MITRE·10:21 AM
Description
Data Sourced
via NVD·11:17 AM
Description
Frequently Asked Questions
1
Under what conditions can this occur?
The issue occurs when XFS is preparing a btree block and xfs_btree_bload_drop_buf encounters an I/O error while writing the delayed-write buffer list to disk.
2
What is the impact if the error path is triggered?
The new_bp buffer is not released, causing a locked buffer to be lost.