[El-errata] New updates available via Ksplice (ELSA-2016-3501)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2016-3501 can now be patched using Ksplice
CVEs: CVE-2015-2925 CVE-2015-7872

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Security Advisory, ELSA-2016-3501.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack on EL 7 install these
updates.

On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf,
these updates will be installed automatically and you do not need to
take any action.

Alternatively, you can install these updates by running:

# /usr/sbin/uptrack-upgrade -y


DESCRIPTION

* CVE-2015-2925: Privilege escalation in bind mounts inside namespaces.

Incorrect handling of renames inside container bind mounts could allow a
local user to escape a container and escalate privileges under specific
conditions.


* CVE-2015-7872: Denial-of-service when garbage collecting 
uninstantiated keyring.

A logic error in the security keyring subsystem leads to a kernel crash
when garbage collecting a un-instantiated keyring.  A local, un-privileged
user can use this flaw to cause a denial-of-service.

SUPPORT

Ksplice support is available at ksplice-support_ww at oracle.com.