[El-errata] New Ksplice updates for UEKR3 3.8.13 on OL6 and OL7 (ELSA-2020-5956)

[Errata Announcements for Oracle Linux]

Synopsis: ELSA-2020-5956 can now be patched using Ksplice
CVEs: CVE-2019-19530 CVE-2020-10769

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2020-5956.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2020-5956.html

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-2019-19530: Denial-of-service in USB CDC-ACM probing.

Incorrect reference counting when probing a USB CDC-ACM device could
result in a use-after-free and kernel crash.  A local user with the
ability to insert USB devices could use this flaw to crash the system.

Orabug: 31351090


* CVE-2020-10769: Out-of-bounds memory access in authenticated encryption key parsing.

A logic error when reading unaligned keys for authenticated encryption can lead
to an integer underflow and result in a out-of-bounds memory access, leading to
a kernel crash. A local user could use this flaw to cause a denial-of-service.

Orabug: 31535530

SUPPORT

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