[El-errata] New Ksplice updates for RHCK 6 (ELSA-2017-0892)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2017-0892 can now be patched using Ksplice
CVEs: CVE-2016-10229 CVE-2016-7910 CVE-2017-2636

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2017-0892.

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running RHCK 6 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-2016-10229: Remote code execution when receiving UDP packet with short buffers.

Incorrect handling of checksums for short receive buffers could result in
applications failing to receive data from a UDP socket. A remote attacker
could use this flaw to execute arbitrary code.


* CVE-2017-2636: Privilege escalation in High Level Data Synchronous TTY line discipline.

A race condition when flushing the transmit queue concurently to sending
frames in the HDLC TTY line discipline could lead to a double free.  A
local, unprivileged user could use this flaw to elevate his privileges.


* CVE-2016-7910: Privilege escalation in /proc/partitions.

Incorrect cleanup when finishing reading /proc/partitions could result
in a use-after-free condition.  A local, unprivileged user could use
this flaw to crash the system, or potentially, escalate privileges.

SUPPORT

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