[El-errata] New Ksplice updates for UEKR2 2.6.39 on OL5 and OL6 (ELSA-2020-5560)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2020-5560 can now be patched using Ksplice
CVEs: CVE-2019-15291

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2020-5560.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2020-5560.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR2 2.6.39 on
OL5 and OL6 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-2019-15291: Denial-of-service in B2C2 FlexCop driver probing.

Incorrect device validation when probing a B2C2 FlexCop driver could
result in a NULL pointer dereference and kernel crash.  A local user
with the ability to insert USB devices could use this flaw to crash the
system.

Orabug: 30864535


* IO hang in Reliable Datagram Socket remote DMA socket closing.

A logic error when dropping an RDMA socket could result in hung tasks
and application timeouts.

Orabug: 30650888

SUPPORT

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