[Ksplice][RHEL8-Updates] New Ksplice updates for RHEL 8 (ELSA-2021-5227)
Oracle Ksplice
quentin.casasnovas at oracle.com
Tue Jan 4 22:17:14 UTC 2022
Synopsis: ELSA-2021-5227 can now be patched using Ksplice
CVEs: CVE-2021-20321
Systems running Red Hat Enterprise Linux 8 can now use Ksplice to
patch against the latest Red Hat kernel update, ELSA-2021-5227.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2021-5227.html
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running RHEL 8 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-2021-20321: Race condition in OverlayFS.
A possible race condition exists in overlayfs that may be triggered
when a user renames a file. A local user could use this flaw to cause
a denial-of-service.
SUPPORT
Ksplice support is available at ksplice-support_ww at oracle.com.
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