[El-errata] New Ksplice updates for UEKR4 4.1.12 on OL6 and OL7 (ELSA-2019-4531)
Errata Announcements for Oracle Linux
el-errata at oss.oracle.com
Fri Feb 8 04:06:03 PST 2019
Synopsis: ELSA-2019-4531 can now be patched using Ksplice
CVEs: CVE-2017-12153 CVE-2018-17972
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2019-4531.
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
* CVE-2017-12153: Denial-of-service when using cfg80211 wireless extension with GTK rekey offload.
A missing check when using GTK rekey offload, during a WoWLAN for
example, in cfg80211 wireless extension could lead to a NULL pointer
dereference. A local attacker with CAP_NET_ADMIN capability could use this
flaw to cause a denial-of-service.
* CVE-2018-17972: Information leak in kernel stack dumps in /proc.
A missing permissions check in the proc code could allow an unprivileged
user to access the kernel stack memory space.
Ksplice support is available at ksplice-support_ww at oracle.com.
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