[PATCH 0/1][B/C/D] CVE-2018-18955 - Privilege escalation within a nested user namespace

Tyler Hicks tyhicks at canonical.com
Tue Nov 13 07:42:37 UTC 2018

BugLink: https://launchpad.net/bugs/1801924

Jann Horn reported that nested user namespaces with more than five mappings
allow gaining privilege over an inode.

These patches cleanly cherry-pick back to Bionic. Releases older than Bionic
are not affected.


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