[El-errata] New Ksplice updates for UEKR5 4.14.35 on OL7 (ELSA-2020-5528)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2020-5528 can now be patched using Ksplice
CVEs: CVE-2019-19332

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2020-5528.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2020-5528.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running UEKR5 4.14.35
on 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-2019-19332: Denial-of-service in KVM cpuid emulation reporting.

A failure to correctly validate a request for KVM cpuid emulation
information a can lead to an out-of-bounds memory access, leading to a
kernel crash. A local user with the ability to use KVM could use this
flaw to cause a denial-of-service.


* Network stall during RDMA failover.

A logic error when performing failover for an RDMA connection could
result in lengthly networking stalls under specific conditions.

Orabug: 30815802


* Memory leak in Mellanox ConnextX HCA Infiniband CX-3 virtual functions.

Missing resource deallocation for Mellanox ConnectX HCA CX-3 virtual
function handling could result in a memory leak and eventual resource
exhaustion.

Orabug: 30815818, 30815811

SUPPORT

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