[El-errata] New Ksplice updates for UEKR3 3.8.13 on OL6 and OL7 (ELSA-2020-5671)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2020-5671 can now be patched using Ksplice
CVEs: CVE-2017-7261 CVE-2019-19527 CVE-2019-19532 CVE-2019-9503

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2020-5671.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2020-5671.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR3 3.8.13 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


DESCRIPTION

* CVE-2019-9503: Denial-of-service when receiving firmware event frames over a Broadcom WLAN USB dongle.

A failure to validate firmware event frames received over a Broadcom
WLAN USB dongle could let a remote attacker cause a denial-of-service.

Orabug: 31234676


* CVE-2017-7261: Denial-of-service when creating surface using DRM driver for VMware Virtual GPU.

A missing parameter check when using "surface define" ioctl of DRM
driver for VMware Virtual GPU could lead to a NULL pointer dereference.
A local attacker could use this flaw to cause a denial-of-service.

Orabug: 31224360


* CVE-2019-19532: Denial-of-service when initializing HID devices.

A failure to properly check a device-controlled parameter in the USB
HID (bluetooth) subsystem lead to reading or writing past memory
bounds. An attacker can exploit this bug with a specially crafted USB
device to escalate privileges or cause a denial-of-service.

Orabug: 31208623


* CVE-2019-19527: Denial-of-service in USB HID device open.

A race condition when opening a USB HID device could result in a
use-after-free and kernel crash.

Orabug: 31206361

SUPPORT

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