El-errata: New Ksplice updates for UEKR2 2.6.39 on OL5 and OL6 (ELSA-2021-9043)
Synopsis: ELSA-2021-9043 can now be patched using Ksplice
CVEs: CVE-2020-28915 CVE-2020-28974
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2021-9043.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2021-9043.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-2020-28915: Information leak due to out-of-bounds read in Framebuffer Console.
A flaw in the font handling code of the Framebuffer Console could lead to
an out-of-bounds read of kernel memory. A local attacker could use this
flaw to cause an information leak and the system's memory disclosure.
Orabug: 32176268
* CVE-2020-28974: Invalid memory access when manipulating framebuffer fonts.
A logic error when manipulating framebuffer console fonts may cause an
out-of-bounds memory read. A local attacker could use this flaw to read
privileged information or potentially cause a denial-of-service.
Orabug: 32187752
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.
