El-errata: New Ksplice updates for UEKR6 5.4.17 on OL7 and OL8 (ELSA-2022-9012)
Synopsis: ELSA-2022-9012 can now be patched using Ksplice
CVEs: CVE-2021-4083 CVE-2021-4155
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2022-9012.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2022-9012.html
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running UEKR6 5.4.17 on
OL7 and OL8 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-2021-4083: Race condition in garbage collection of BSD Unix domain sockets.
Possible race condition in BSD Unix domain sockets garbage collection
could result in a read-after-free error. A local user could use this
flaw to cause denial-of-service or privileges escalation.
Orabug: 33691332
* CVE-2021-4155: Data leak in XFS filesystem.
The XFS filesystem does not correctly initialize certain data blocks. This
could allow data leaks to unprivileged users.
Orabug: 33699625
SUPPORT
Ksplice support is available at ksplice-support_ww@oracle.com.
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New Ksplice updates for UEKR6 5.4.17 on Oracle Linux 7 and 8 has been released.
