New Ksplice updates for UEKR4 4.1.12 on Oracle Linux 6 and 7.
Synopsis: ELSA-2020-5535 can now be patched using Ksplice
CVEs: CVE-2019-11135 CVE-2019-17666 CVE-2019-19332
Users with Oracle Linux Premier Support can now use Ksplice to patch
against the latest Oracle Linux Security Advisory, ELSA-2020-5535.
More information about this errata can be found at
https://linux.oracle.com/errata/ELSA-2020-5535.html
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
DESCRIPTION
* CVE-2019-17666: Out-of-bounds access when using Realtek Wireless Network driver in P2P mode.
A logic error when using Realtek Wireless Network driver in P2P mode
could lead to an out-of-bounds access. A remote attacker within the
wireless radio range of the victim could use this flaw to cause a
denial-of-service.
Orabug: 30807748
* CVE-2019-19332: Denial-of-service in KVM cpuid emulation reporting.
A failure to correctly validate a request for KVM cpuid emulation
information a can lead to an out-of-bounds memory access, leading to a
kernel crash. A local user with the ability to use KVM could use this
flaw to cause a denial-of-service.
Orabug: 30658695
* Improved fix to CVE-2019-11135: Side-channel information leak in Intel TSX on late microcode update.
The original fix for CVE-2019-11135 would not correctly update the TSX
state on a late microcode update, potentially leaving the system
vulnerable.
Orabug: 30557086, 30528904
* Missing CPU vulnerability mitigations on late microcode update.
Incorrect handling of microcode specific mitigations could result in
failure to completely mitigate a number of CPU vulnerabilities.
Orabug: 30649400
* Denial-of-service in iSCSI IO vector mapping.
Missing validation when mapping an IO vector for an iSCSI transfer could
result in a NULL pointer dereference and kernel crash under specific
conditions.
Orabug: 30459537
SUPPORT
Ksplice support is available at ksplice-support_ww@oracle.com.
