crash consistency

  1. CVE-2026-43118 Btrfs Bug: Truncate Files May Reappear After Crash Replay

    CVE-2026-43118 is a Linux kernel Btrfs vulnerability published on May 6, 2026, in which log replay after a crash can restore a truncated file with its old non-zero size under a specific fsync, hardlink, or rename sequence. That sounds like a narrow filesystem corner case because it is one. But...
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    • btrfs crash consistency data integrity linux kernel security
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    • Forum: Security Alerts