SECURITY ANNOUNCEMENT

CVE-2026-98993

23 October 2026

A clone is a new mount that has never been unmounted. Add MNT_UMOUNT to MNT_INTERNAL_FLAGS so clone_mnt() never copies it. And warn when umount_tree() reaches a mount that already has it set.

Introduced

4.1590ce4bcbfb4e0462a720a4ad901e84416080bba

Fixed releases

6.12.114c26c1a91ad2881a194f7af543e0b57f0870006b2

6.18.57eecc9cd0fc07dba3f7fb0b2f844b4029435a2f7b

6.6.16099698cfa34e493fc091219056aae446fe9442a96

7.2.115077b52e9e4d72da53c50251296b99cd416765a1

7.3e2c6d326216642011da318b9edfd5d57ebd5a56f

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