[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2018-4096)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2018-4096 can now be patched using Ksplice
CVEs: CVE-2018-1087 CVE-2018-8897

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2018-4096.

INSTALLING THE UPDATES

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


DESCRIPTION

* CVE-2018-8897: Denial-of-service in KVM breakpoint handling.

Incorrect stack management of data watchpoints and breakpoints could
allow an unprivileged user to crash the system.


* CVE-2018-1087: KVM guest breakpoint privilege escalation.

Incorrect breakpoint emulation for a KVM guest could allow a local,
unprivileged user to escalate privileges inside the guest.

SUPPORT

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