Advisory Published

USN-2646-1: Linux kernel vulnerability

First published: Mon Jun 15 2015(Updated: )

Philip Pettersson discovered a privilege escalation when using overlayfs mounts inside of user namespaces. A local user could exploit this flaw to gain administrative privileges on the system.

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-3.16.0-41-powerpc-smp<3.16.0-41.55
3.16.0-41.55
=14.10
All of
ubuntu/linux-image-3.16.0-41-powerpc64-smp<3.16.0-41.55
3.16.0-41.55
=14.10
All of
ubuntu/linux-image-3.16.0-41-powerpc64-emb<3.16.0-41.55
3.16.0-41.55
=14.10
All of
ubuntu/linux-image-3.16.0-41-powerpc-e500mc<3.16.0-41.55
3.16.0-41.55
=14.10
All of
ubuntu/linux-image-3.16.0-41-generic-lpae<3.16.0-41.55
3.16.0-41.55
=14.10
All of
ubuntu/linux-image-3.16.0-41-lowlatency<3.16.0-41.55
3.16.0-41.55
=14.10
All of
ubuntu/linux-image-3.16.0-41-generic<3.16.0-41.55
3.16.0-41.55
=14.10

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Child vulnerabilities

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