[El-errata] New Ksplice updates for RHCK 6 (ELSA-2021-9434)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2021-9434 can now be patched using Ksplice
CVEs: CVE-2020-12362 CVE-2021-3347

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2021-9434.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2021-9434.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running RHCK 6 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-2021-3347: Privilege escalation in the Fast Userspace Mutexes.

A flaw in the Fast Userspace Mutexes implementation could lead to
a use-after-free vulnerability. A local user could use this flaw
to crash the system or potentially execute arbitrary code.

Orabug: 33150734


* CVE-2020-12362: Privilege escalation in some Intel Graphics drivers.

A flaw in the Intel 8xx/9xx/G3x/G4x/HD Graphics firmware could lead to
an integer overflow. A local user could use this flaw to escalate privileges.

Orabug: 33150734

SUPPORT

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