Threats Tagged 'ghsa-r9r3-96fh-8fhv'
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Threats Tagged 'ghsa-r9r3-96fh-8fhv'
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A vulnerability in the Linux kernel's Landlock security module related to whiteout object creation in OverlayFS has been resolved. The fix requires the LANDLOCK_ACCESS_FS_MAKE_REG permission for creating whiteout objects, correcting previous permission checks that used LANDLOCK_ACCESS_FS_MAKE_CHAR. This change ensures proper permission enforcement for whiteout creation via mknod(2) and renameat2(2) system calls. The update also fixes a bug where renameat2(2) with RENAME_WHITEOUT could create directory entries even when all related Landlock permissions were denied. Join the discussion | GCVE Database | 09/11/2026, 21:31:32 UTC Added: 09/12/2026, 00:42:54 UTC |
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