[El-errata] New Ksplice updates for RHCK 9 (ELSA-2023-1470)
Errata Announcements for Oracle Linux
el-errata at oss.oracle.com
Thu Mar 30 21:36:57 UTC 2023
Synopsis: ELSA-2023-1470 can now be patched using Ksplice
CVEs: CVE-2022-4269 CVE-2022-4744 CVE-2023-0266
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2023-1470.
More information about this errata can be found at
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running RHCK 9 install
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
* CVE-2023-0266: Use-after-free in ALSA PCM IOCTL processing.
Missing locks around certain operations can lead to a use-after-free
in the ALSA PCM driver. This flaw could by exploited by a local
attacker to escalate their privileges.
* CVE-2022-4269: Denial-of-service in Traffic Control subsystem.
A flaw in the Traffic Control subsystem when the transport protocol in
use (TCP or SCTP) does a retransmission could result in a deadlock.
A local unprivileged user could use this flaw for denial-of-service.
* CVE-2022-4744: Privilege escalation in TUN/TAP device driver.
A flaw in the TUN/TAP device driver when freing a device could result in
a double-free. A local user could use this flaw for denial-of-service or
Ksplice support is available at ksplice-support_ww at oracle.com.
More information about the El-errata