El-errata: New Ksplice updates for UEKR6 5.4.17 on OL7 and OL8 (ELSA-2020-5792)
Synopsis: ELSA-2020-5792 can now be patched using Ksplice
CVEs: CVE-2020-15780
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2020-5792.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2020-5792.html
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running UEKR6 5.4.17 on
OL7 and OL8 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
* Race condition when sending IB subnet MAD causes denial-of-service.
When allocating an Infiniband management diagram packet for the
Infiniband subnet manager, the request data might be freed before the
diagram is fully transmitted, resulting in a use-after-free and
denial-of-service.
Orabug: 31631527
* CVE-2020-15780: SecureBoot bypass through ACPI table loading.
A missing check that the kernel is not locked down when loading ACPI tables
from userspace can allow the root user to escape SecureBoot or a kernel
lock down.
Orabug: 31642981
SUPPORT
Ksplice support is available at ksplice-support_ww@oracle.com.
New Ksplice updates for UEKR6 5.4.17 on Oracle Linux 7 and 8 has been released.
