[El-errata] New Ksplice updates for RHCK 8 (ELSA-2019-2411)

Errata Announcements for Oracle Linux el-errata at oss.oracle.com
Tue Aug 20 05:22:03 PDT 2019

Synopsis: ELSA-2019-2411 can now be patched using Ksplice
CVEs: CVE-2019-1125 CVE-2019-13272

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2019-2411.
More information about this errata can be found at


We recommend that all users of Ksplice Uptrack running RHCK 8 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-2019-1125: Information leak in kernel entry code when swapping GS.

A local attacker could speculatively access percpu data using a user
defined GS and leak information about running kernel to facilitate an

* CVE-2019-13272: Privilege escalation via ptrace relationship tracking.

A logic error when recording the ptrace relationship between a privileged
parent and unprivileged child process can result in the ptrace relationship
being incorrectly recorded as privileged. A local user could use this flaw to
escalate privileges or cause a denial-of-service.


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

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