Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: xfs: initialise error in xfs_defer_finish_one() xfs_defer_finish_one() declares error without an initialiser and only assigns it inside the loop over dfp->dfp_work. When that list is empty the loop body never runs, control falls through to the "Done with the dfp, free it" path, and the function returns an indeterminate value. An item-less pending item reaches this through xfs_defer_add_barrier(), which xfs_reap_ag_blocks() uses on any CONFIG_XFS_ONLINE_REPAIR kernel. xfs_defer_finish_noroll() treats any non-EAGAIN return as fatal, so a non-zero stack value turns a successful barrier into a SHUTDOWN_CORRUPT_INCORE in the middle of a repair. Zero is the correct result: reaching the free path means the item loop drained without a non-zero error.
References
- https://git.kernel.org/stable/c/30748a24b9f04f9a83599ba907cc8fbff0729f3c
- https://git.kernel.org/stable/c/6176d21d7bd609632c5b7e87a3adb9be29ec1e72
- https://git.kernel.org/stable/c/6b507c239884f7d4bf8339f6e9eb8bfcb540afde
- https://git.kernel.org/stable/c/ba949a14446b7346e92e676ee3fe2bb79d9ce450
FAQ
What is CVE-2026-97552?
CVE-2026-97552 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: xfs: initialise error in xfs_defer_finish_one() xfs_defer_finish_one() declares error without an initialiser and only assigns it i...
How severe is CVE-2026-97552?
CVSS scoring is not yet available for CVE-2026-97552. Check NVD for updates.
Is there a patch for CVE-2026-97552?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.