[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2019-4870)

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Wed Dec 11 06:58:04 PST 2019

Synopsis: ELSA-2019-4870 can now be patched using Ksplice
CVEs: CVE-2019-15219

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2019-4870.
More information about this errata can be found at


We recommend that all users of Ksplice Uptrack running UEKR4 4.1.12 on
OL6 and OL7 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


* CVE-2019-15219: Denial-of-service in USB 2.0 SVGA dongle driver when using a malicious USB device.

A logic error in USB 2.0 SVGA dongle driver could lead to a NULL pointer
deference. A local attacker could use this flaw and a malicious USB
device to cause a denial-of-service.

Orabug: 30548565

* Kernel hang in block layer during CPU hotplug.

Excessive warning logging in the block layer could result in a flood of
kernel messages and deadlock during CPU hotplug under specific

Orabug: 30273956

* Reduced throughput in loopback disk devices.

Failure to set the maximum number of hardware sectors on a loopback
device could result in excessive operation fragmentation and suboptimal
performance on some backing devices.

Orabug: 30244514


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

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