In 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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Nov 2, 2026 | Sep 4, 2026 |
| Ubuntu | — | Upgrade linux-oracleUpgrade linux-ibmUpgrade linuxUpgrade linux-gcpUpgrade linux-hwe-7.0Upgrade linux-awsUpgrade linux-oem-7.0Upgrade linux-riscv-7.0Upgrade linux-riscv | Nov 3, 2026 | Sep 4, 2026 |
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