[El-errata] New Ksplice updates for Oracle Enhanced RHCK 7 (ELBA-2020-0374-1)

[Errata Announcements for Oracle Linux]

Synopsis: ELBA-2020-0374-1 can now be patched using Ksplice
CVEs: CVE-2019-14814 CVE-2019-14815 CVE-2019-14816 CVE-2019-14895 CVE-2019-14898 CVE-2019-14901 CVE-2019-17133

Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Bug Fix Advisory, ELBA-2020-0374-1.
More information about this errata can be found at
https://linux.oracle.com/errata/ELBA-2020-0374-1.html

INSTALLING THE UPDATES

We recommend that all users of Ksplice Uptrack running Oracle Enhanced
RHCK 7 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-2019-14895: Denial-of-service when receiving Country WLAN element in Marvell WiFi-Ex driver.

A logic error when receiving Country WLAN element in Marvell WiFi-Ex
driver could lead to an invalid memory access. A local attacker could
use this flaw to cause a denial-of-service.


* CVE-2019-14814, CVE-2019-14815, CVE-2019-14816: Denial-of-service when parsing access point settings in Marvell WiFi-Ex driver.

Logic errors when parsing access point settings in Marvell WiFi-Ex
driver could lead to buffer overflows. A local attacker could use this
flaw to cause a denial-of-service.


* CVE-2019-14901: Denial-of-service when parsing TDLS action frame in Marvell WiFi-Ex driver.

Missing checks when parsing TDLS action frame in Marvell WiFi-Ex driver
could lead to a buffer overflow. A local attacker could use this flaw to
cause a denial-of-service.


* CVE-2019-17133: Denial-of-service in WiFI SIOCGIWESSID ioctl().

Missing bounds checks when copying an SSID in the SIOCGIWESSID ioctl()
for an 802.11 WiFi device could result in a buffer overflow and kernel
crash.


* CVE-2019-14898: Denial-of-service when handling page fault in userspace.

A double-free bug in the userfaultfd subsystem could lead to kernel
crash. An attacker with privilege to perform userfaultfd could exploit
this to cause a denial-of-service and possibly escalate privilege.

SUPPORT

Ksplice support is available at ksplice-support_ww at oracle.com.