El-errata: New Ksplice updates for UEKR2 2.6.39 on OL5 and OL6 (ELSA-2020-5936)
Synopsis: ELSA-2020-5936 can now be patched using Ksplice CVEs:
CVE-2014-4508 CVE-2017-8925
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2020-5936.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2020-5936.html
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running UEKR2 2.6.39 on
OL5 and OL6 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-2017-8925: Memory leak when opening an Omninet serial driver.
An extra reference on the TTY was taken in the Omninet serial driver on
open, leading to a memory leak. A local, unprivileged user could use this
flaw to exhaust the memory on the system and cause a denial-of-service.
Orabug: 30484765
* CVE-2014-4508: Denial-of-service in syscall audit code when using wrong syscall number.
A flaw in the error path of the entry point of a syscall leads to a kernel
panic if syscall auditing is enabled and the syscall number is larger than
the number of syscalls. A local, unprivileged user could use this flaw to
cause a denial-of-service.
Orabug: 30783266
SUPPORT
Ksplice support is available at ksplice-support_ww@oracle.com.
New Ksplice updates for UEKR2 2.6.39 on Oracle Linux 5 and 6 has been released.
