New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2023-12759)
Synopsis: ELSA-2023-12759 can now be patched using Ksplice
CVEs: CVE-2022-1015 CVE-2023-3106 CVE-2023-3567
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2023-12759.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2023-12759.html
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running UEKR4 4.1.12 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-2023-3567: Information leak when using Virtual Terminal.
A logic error when using Virtual Terminal driver could lead to a
use-after-free. A local attacker could use this flaw to cause a denial-
of-service or leak sensitive information.
Orabug: 35649493
* CVE-2022-1015: Permission bypass when using netfilter.
A missing check on userspace input when using netfilter could lead to an
out-of-bounds access. A local attacker could use this flaw to escalate
privilege.
Orabug: 34012909
* CVE-2023-3106: Denial-of-service in IP transform policy dump.
A failure to correctly handle error cases when dumping policy
information for IP transformation can result in the use of uninitialised
memory, leading to a kernel crash.
Orabug: 35598955
SUPPORT
Ksplice support is available at ksplice-support_ww@oracle.com.
New Ksplice updates for UEKR4 4.1.12 on Oracle Linux 6 and 7 are available.