[El-errata] ELSA-2019-4629 Important: Oracle Linux 7 Unbreakable Enterprise kernel security update

[Errata Announcements for Oracle Linux]

Oracle Linux Security Advisory ELSA-2019-4629

http://linux.oracle.com/errata/ELSA-2019-4629.html

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

x86_64:
kernel-uek-doc-4.1.12-124.26.12.el7uek.noarch.rpm
kernel-uek-firmware-4.1.12-124.26.12.el7uek.noarch.rpm
kernel-uek-4.1.12-124.26.12.el7uek.x86_64.rpm
kernel-uek-devel-4.1.12-124.26.12.el7uek.x86_64.rpm
kernel-uek-debug-4.1.12-124.26.12.el7uek.x86_64.rpm
kernel-uek-debug-devel-4.1.12-124.26.12.el7uek.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol7/SRPMS-updates/kernel-uek-4.1.12-124.26.12.el7uek.src.rpm



Description of changes:

[4.1.12-124.26.12.el7uek]
- x86/mds: Add empty commit for CVE-2019-11091 (Konrad Rzeszutek Wilk)  [Orabug: 29721935]  {CVE-2019-11091}
- x86/microcode: Add loader version file in debugfs (Boris Ostrovsky)  [Orabug: 29754165]
- x86/microcode: Fix CPU synchronization routine (Borislav Petkov)  [Orabug: 29754165]
- x86/microcode: Synchronize late microcode loading (Borislav Petkov)  [Orabug: 29754165]

[4.1.12-124.26.11.el7uek]
- x86/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- cpu/speculation: Add 'mitigations=' cmdline option (Josh Poimboeuf)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off (Konrad Rzeszutek Wilk)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Fix comment (Boris Ostrovsky)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: update mds_mitigation to reflect debugfs configuration (Mihai Carabas)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: fix microcode late loading (Mihai Carabas)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add boot option to enable MDS protection only while in idle (Boris Ostrovsky)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Improve coverage for MDS vulnerability (Boris Ostrovsky)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add SMT warning message (Josh Poimboeuf)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add mds=full,nosmt cmdline option (Josh Poimboeuf)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- Documentation: Add MDS vulnerability documentation (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- Documentation: Move L1TF to separate directory (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add mitigation mode VMWERV (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add debugfs for controlling MDS (Kanth Ghatraju)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add sysfs reporting for MDS (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add mitigation control for MDS (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Conditionally clear CPU buffers on idle entry (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/kvm/vmx: Add MDS protection when L1D Flush is not active (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Clear CPU buffers on exit to user (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add mds_clear_cpu_buffers() (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests (Andi Kleen)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add BUG_MSBDS_ONLY (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation/mds: Add basic bug infrastructure for MDS (Andi Kleen)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127} {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation: Consolidate CPU whitelists (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/msr-index: Cleanup bit defines (Thomas Gleixner)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- Documentation/l1tf: Fix small spelling typo (Salvatore Bonaccorso)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
- x86/speculation: Simplify the CPU bug detection logic (Dominik Brodowski)  [Orabug: 29526900]  {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}