xfs: restore nofs context unconditionally in xfs_trans_roll

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-80804
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-04 16:18:07 UTC
Updated2026-09-04 16:18:07 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: xfs: restore nofs context unconditionally in xfs_trans_roll When __xfs_trans_commit() fails in xfs_trans_roll(), the NOFS context is cleared but only restored in the success path. This leaves the error path without nofs protection, causing a circular lock dependency between xfs_nondir_ilock_class and fs_reclaim: CPU0 CPU1 ---- ---- lock(&xfs_nondir_ilock_class); lock(fs_reclaim); lock(&xfs_nondir_ilock_class); lock(fs_reclaim); Fix this by moving xfs_trans_set_context() before the error check so that nofs context is always restored on the new transaction.

Risk And Classification

EPSS: 0.001660000 probability, percentile 0.061090000 (date 2026-09-07)

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected a1ca658d649a4d8972e2e21ac2625b633217e327 b09198cf90ccf296970b774beea1c1ddb260f94c git Not specified
CNA Linux Linux affected a1ca658d649a4d8972e2e21ac2625b633217e327 4d00a39c676274f4071b467e630565ac1e3ae0f2 git Not specified
CNA Linux Linux affected a1ca658d649a4d8972e2e21ac2625b633217e327 0241ea5fb0fe86d2a673163b2f5815111aadc7f7 git Not specified
CNA Linux Linux affected 7.0 Not specified
CNA Linux Linux unaffected 7.0 semver Not specified
CNA Linux Linux unaffected 7.1.11 7.1.* semver Not specified
CNA Linux Linux unaffected 7.2.1 7.2.* semver Not specified
CNA Linux Linux unaffected 7.3-rc1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/b09198cf90ccf296970b774beea1c1ddb260f94c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/4d00a39c676274f4071b467e630565ac1e3ae0f2 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/0241ea5fb0fe86d2a673163b2f5815111aadc7f7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
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