[El-errata] ELSA-2018-4210 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2018-4210

http://linux.oracle.com/errata/ELSA-2018-4210.html

The following updated rpms for Oracle Linux 7 have been uploaded to the 
Unbreakable Linux Network:

x86_64:
kernel-uek-doc-4.1.12-124.19.1.el7uek.noarch.rpm
kernel-uek-firmware-4.1.12-124.19.1.el7uek.noarch.rpm
kernel-uek-4.1.12-124.19.1.el7uek.x86_64.rpm
kernel-uek-devel-4.1.12-124.19.1.el7uek.x86_64.rpm
kernel-uek-debug-4.1.12-124.19.1.el7uek.x86_64.rpm
kernel-uek-debug-devel-4.1.12-124.19.1.el7uek.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-uek-4.1.12-124.19.1.el7uek.src.rpm



Description of changes:

[4.1.12-124.19.1.el7uek]
- x86/entry/64: Ensure %ebx handling correct in xen_failsafe_callback 
(George Kennedy)  [Orabug: 28402927]  {CVE-2018-14678}
- x86/speculation/l1tf: Increase l1tf memory limit for Nehalem+ (Andi 
Kleen)  [Orabug: 28488808]  {CVE-2018-3620}
- x86/speculation/l1tf: Suggest what to do on systems with too much RAM 
(Vlastimil Babka)  [Orabug: 28488808]  {CVE-2018-3620}
- x86/speculation/l1tf: Fix off-by-one error when warning that system 
has too much RAM (Vlastimil Babka)  [Orabug: 28488808]  {CVE-2018-3620}
- x86/speculation/l1tf: Fix overflow in l1tf_pfn_limit() on 32bit 
(Vlastimil Babka)  [Orabug: 28488808]  {CVE-2018-3620}
- x86/speculation/l1tf: Exempt zeroed PTEs from inversion (Sean 
Christopherson)  [Orabug: 28488808]  {CVE-2018-3620}
- x86/l1tf: Fix build error seen if CONFIG_KVM_INTEL is disabled 
(Guenter Roeck)  [Orabug: 28488808]  {CVE-2018-3620}
- x86/spectre: Add missing family 6 check to microcode check (Andi 
Kleen)  [Orabug: 28488808]  {CVE-2018-3620}
- KVM: x86: SVM: Call x86_spec_ctrl_set_guest/host() with interrupts 
disabled (Thomas Gleixner)  [Orabug: 28488808]  {CVE-2018-3646}
- x86/microcode: Allow late microcode loading with SMT disabled (Josh 
Poimboeuf)  [Orabug: 28488808]  {CVE-2018-3620}
- x86/microcode: Do not upload microcode if CPUs are offline (Ashok Raj) 
  [Orabug: 28488808]  {CVE-2018-3620}