El-errata: New Ksplice updates for RHCK 6 (ELSA-2021-9434)
Synopsis: ELSA-2021-9434 can now be patched using Ksplice
CVEs: CVE-2020-12362 CVE-2021-3347
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2021-9434.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2021-9434.html
INSTALLING THE UPDATES
We recommend that all users of Ksplice Uptrack running RHCK 6 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-2021-3347: Privilege escalation in the Fast Userspace Mutexes.
A flaw in the Fast Userspace Mutexes implementation could lead to
a use-after-free vulnerability. A local user could use this flaw
to crash the system or potentially execute arbitrary code.
Orabug: 33150734
* CVE-2020-12362: Privilege escalation in some Intel Graphics drivers.
A flaw in the Intel 8xx/9xx/G3x/G4x/HD Graphics firmware could lead to
an integer overflow. A local user could use this flaw to escalate privileges.
Orabug: 33150734
SUPPORT
Ksplice support is available at ksplice-support_ww@oracle.com.
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New Ksplice updates for RHCK 6 (ELSA-2021-9434) has been released.