Threats Tagged 'cve-2026-99084'
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Threats Tagged 'cve-2026-99084'
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A vulnerability in the Linux kernel's readdir implementation related to inode locking on immutable directories has been resolved. The issue involved iterate_dir() holding a shared lock on the directory's i_rwsem semaphore even when the directory was immutable and never changed, causing unnecessary blocking. This could lead to stalls in mount namespaces sharing the same nullfs directory inode, impacting multiple users. The fix adds a FOP_IMMUTABLE flag to skip locking for directories that never change or are never removed, preventing the described contention. Join the discussion | GCVE Database | 10/23/2026, 15:31:37 UTC Added: 10/23/2026, 18:43:25 UTC |
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