The overlayfs implementation in the linux (aka Linux kernel) package before 3.19.0-21.21 in Ubuntu through 15.04 does not properly check permissions for file creation in the upper filesystem directory, which allows local users to obtain root access by leveraging a configuration in which overlayfs is permitted in an arbitrary mount namespace.
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Status: PUBLISHED
Assigner: canonical
Published: 2016-11-28T03:01:00
Updated: 2024-08-06T04:40:18.469Z
Reserved: 2015-01-22T00:00:00
Link: CVE-2015-1328

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Status : Deferred
Published: 2016-11-28T03:59:00.217
Modified: 2025-04-12T10:46:40.837
Link: CVE-2015-1328

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