xfs: initialise error in xfs_defer_finish_one()

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-97552
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-25 11:17:05 UTC
Updated2026-09-25 11:17:05 UTC
DescriptionIn 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.

Risk And Classification

EPSS: 0.002000000 probability, percentile 0.088120000 (date 2026-09-27)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 3f3cec031099c37513727efc978a12b6346e326d 30748a24b9f04f9a83599ba907cc8fbff0729f3c git Not specified
CNA Linux Linux affected 3f3cec031099c37513727efc978a12b6346e326d ba949a14446b7346e92e676ee3fe2bb79d9ce450 git Not specified
CNA Linux Linux affected 3f3cec031099c37513727efc978a12b6346e326d 6b507c239884f7d4bf8339f6e9eb8bfcb540afde git Not specified
CNA Linux Linux affected 3f3cec031099c37513727efc978a12b6346e326d 6176d21d7bd609632c5b7e87a3adb9be29ec1e72 git Not specified
CNA Linux Linux affected 6.8 Not specified
CNA Linux Linux unaffected 6.8 semver Not specified
CNA Linux Linux unaffected 6.12.111 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.53 6.18.* semver Not specified
CNA Linux Linux unaffected 7.2.7 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc3 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/ba949a14446b7346e92e676ee3fe2bb79d9ce450 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6176d21d7bd609632c5b7e87a3adb9be29ec1e72 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/6b507c239884f7d4bf8339f6e9eb8bfcb540afde 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/30748a24b9f04f9a83599ba907cc8fbff0729f3c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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