[El-errata] New Ksplice updates for UEKR3 3.8.13 on OL6 and OL7 (ELSA-2018-4268)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2018-4268 can now be patched using Ksplice
CVEs: CVE-2017-18017 CVE-2018-7757

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2018-4268.

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-2018-7757: Memory leak when reading invalid_dword_count attribute of SAS Domain Transport driver.

A missing free when reading invalid_dword_count attribute of SAS Domain
Transport driver could lead to a memory leak. A local attacker could use
this flaw to exhaust kernel memory and cause a denial-of-service.

Orabug: 27927692


* CVE-2017-18017: Use-after-free when processing TCP packets in netfliter TCPMSS target.

A missing check when using TCPMSS target for TCP could lead to an
use-after-free. A remote attacker could use this flaw to cause a
denial-of-service.

Orabug: 27896807

SUPPORT

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