[El-errata] ELSA-2018-4126 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2018-4126

http://linux.oracle.com/errata/ELSA-2018-4126.html

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

x86_64:
kernel-uek-doc-4.1.12-124.15.4.el7uek.noarch.rpm
kernel-uek-firmware-4.1.12-124.15.4.el7uek.noarch.rpm
kernel-uek-4.1.12-124.15.4.el7uek.x86_64.rpm
kernel-uek-devel-4.1.12-124.15.4.el7uek.x86_64.rpm
kernel-uek-debug-4.1.12-124.15.4.el7uek.x86_64.rpm
kernel-uek-debug-devel-4.1.12-124.15.4.el7uek.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-uek-4.1.12-124.15.4.el7uek.src.rpm



Description of changes:

[4.1.12-124.15.4.el7uek]
- x86/bugs/IBRS: Keep SSBD mitigation in effect if spectre_v2=ibrs is 
selected (Mihai Carabas)
- fs/pstore: update the backend parameter in pstore module (Wang Long) 
[Orabug: 27994372]
- kvm: vmx: Reinstate support for CPUs without virtual NMI (Paolo 
Bonzini)  [Orabug: 28041210]
- dm crypt: add big-endian variant of plain64 IV (Milan Broz)  [Orabug: 
28043932]
- x86/bugs: Rename SSBD_NO to SSB_NO (Konrad Rzeszutek Wilk)  [Orabug: 
28063992]  {CVE-2018-3639}
- KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD (Tom Lendacky) 
[Orabug: 28063992] [Orabug: 28069548]  {CVE-2018-3639}
- x86/speculation, KVM: Implement support for VIRT_SPEC_CTRL/LS_CFG 
(Thomas Gleixner)  [Orabug: 28063992]  {CVE-2018-3639}
- x86/bugs: Rework spec_ctrl base and mask logic (Thomas Gleixner) 
[Orabug: 28063992]  {CVE-2018-3639}
- x86/bugs: Expose x86_spec_ctrl_base directly (Thomas Gleixner) 
[Orabug: 28063992]  {CVE-2018-3639}
- x86/bugs: Unify x86_spec_ctrl_{set_guest,restore_host} (Borislav 
Petkov)  [Orabug: 28063992]  {CVE-2018-3639}
- x86/speculation: Rework speculative_store_bypass_update() (Thomas 
Gleixner)  [Orabug: 28063992]  {CVE-2018-3639}
- x86/speculation: Add virtualized speculative store bypass disable 
support (Tom Lendacky)  [Orabug: 28063992]  {CVE-2018-3639}
- x86/bugs, KVM: Extend speculation control for VIRT_SPEC_CTRL (Thomas 
Gleixner)  [Orabug: 28063992]  {CVE-2018-3639}
- x86/speculation: Handle HT correctly on AMD (Thomas Gleixner) 
[Orabug: 28063992]  {CVE-2018-3639}
- x86/cpufeatures: Add FEATURE_ZEN (Thomas Gleixner)  [Orabug: 28063992] 
  {CVE-2018-3639}
- x86/cpu/AMD: Fix erratum 1076 (CPB bit) (Borislav Petkov)  [Orabug: 
28063992]  {CVE-2018-3639}

[4.1.12-124.15.3.el7uek]
- perf/hwbp: Simplify the perf-hwbp code, fix documentation (Linus 
Torvalds)  [Orabug: 27947602]  {CVE-2018-1000199}
- Revert "perf/hwbp: Simplify the perf-hwbp code, fix documentation" 
(Brian Maly)  [Orabug: 27947602]