[Oraclevm-errata] OVMSA-2018-0223 Important: Oracle VM 3.4 Unbreakable Enterprise kernel security update

Errata Announcements for Oracle VM oraclevm-errata at oss.oracle.com
Wed May 23 08:55:15 PDT 2018

Oracle VM Security Advisory OVMSA-2018-0223

The following updated rpms for Oracle VM 3.4 have been uploaded to the 
Unbreakable Linux Network:



Description of changes:

- KVM: SVM: Move spec control call after restore of GS (Thomas Gleixner) 
- x86/bugs: Fix the parameters alignment and missing void (Konrad 
Rzeszutek Wilk)   {CVE-2018-3639}
- x86/bugs: Make cpu_show_common() static (Jiri Kosina)   {CVE-2018-3639}
- x86/bugs: Fix __ssb_select_mitigation() return type (Jiri Kosina) 
- Documentation/spec_ctrl: Do some minor cleanups (Borislav Petkov) 
- proc: Use underscores for SSBD in 'status' (Konrad Rzeszutek Wilk) 
- x86/bugs: Rename _RDS to _SSBD (Konrad Rzeszutek Wilk)   {CVE-2018-3639}
- x86/speculation: Make "seccomp" the default mode for Speculative Store 
Bypass (Kees Cook)   {CVE-2018-3639}
- seccomp: Move speculation migitation control to arch code (Thomas 
Gleixner)   {CVE-2018-3639}
- seccomp: Add filter flag to opt-out of SSB mitigation (Kees Cook) 
- seccomp: Use PR_SPEC_FORCE_DISABLE (Thomas Gleixner)   {CVE-2018-3639}
- prctl: Add force disable speculation (Konrad Rzeszutek Wilk) 
- seccomp: Enable speculation flaw mitigations (Kees Cook)   {CVE-2018-3639}
- proc: Provide details on speculation flaw mitigations (Kees Cook) 
- nospec: Allow getting/setting on non-current task (Kees Cook) 
- x86/bugs/IBRS: Disable SSB (RDS) if IBRS is sslected for spectre_v2. 
(Konrad Rzeszutek Wilk)   {CVE-2018-3639}
- x86/speculation: Add prctl for Speculative Store Bypass mitigation 
(Thomas Gleixner)   {CVE-2018-3639}
- x86: thread_info.h: move RDS from index 5 to 23 (Mihai Carabas) 
- x86/process: Allow runtime control of Speculative Store Bypass (Thomas 
Gleixner)   {CVE-2018-3639}
- prctl: Add speculation control prctls (Thomas Gleixner)   {CVE-2018-3639}
- x86/speculation: Create spec-ctrl.h to avoid include hell (Thomas 
Gleixner)   {CVE-2018-3639}
- x86/KVM/VMX: Expose SPEC_CTRL Bit(2) to the guest (Konrad Rzeszutek 
Wilk)   {CVE-2018-3639}
- x86/bugs/AMD: Add support to disable RDS on Fam[15,16,17]h if 
requested (Konrad Rzeszutek Wilk)   {CVE-2018-3639}
- x86/bugs: Whitelist allowed SPEC_CTRL MSR values (Konrad Rzeszutek 
Wilk)   {CVE-2018-3639}
- x86/bugs/intel: Set proper CPU features and setup RDS (Konrad 
Rzeszutek Wilk)   {CVE-2018-3639}
- x86/bugs: Provide boot parameters for the spec_store_bypass_disable 
mitigation (Konrad Rzeszutek Wilk)   {CVE-2018-3639}
- x86/cpufeatures: Add X86_FEATURE_RDS (Konrad Rzeszutek Wilk) 
- x86/bugs: Expose /sys/../spec_store_bypass (Konrad Rzeszutek Wilk) 
- x86/cpu/intel: Add Knights Mill to Intel family (Piotr Luc) 
- x86/cpu: Rename Merrifield2 to Moorefield (Andy Shevchenko) 
- x86/bugs, KVM: Support the combination of guest and host IBRS (Konrad 
Rzeszutek Wilk)   {CVE-2018-3639}
- x86/bugs/IBRS: Warn if IBRS is enabled during boot. (Konrad Rzeszutek 
Wilk)   {CVE-2018-3639}
- x86/bugs/IBRS: Use variable instead of defines for enabling IBRS 
(Konrad Rzeszutek Wilk)   {CVE-2018-3639}
- x86/bugs: Read SPEC_CTRL MSR during boot and re-use reserved bits 
(Konrad Rzeszutek Wilk)   {CVE-2018-3639}
- x86/bugs: Concentrate bug reporting into a separate function (Konrad 
Rzeszutek Wilk)   {CVE-2018-3639}
- x86/bugs: Concentrate bug detection into a separate function (Konrad 
Rzeszutek Wilk)   {CVE-2018-3639}
- x86/bugs/IBRS: Turn on IBRS in spectre_v2_select_mitigation (Konrad 
Rzeszutek Wilk)   {CVE-2018-3639}
- x86/msr: Add SPEC_CTRL_IBRS.. (Konrad Rzeszutek Wilk)   {CVE-2018-3639}
- scsi: libfc: Revisit kref handling (Hannes Reinecke)
- scsi: libfc: reset exchange manager during LOGO handling (Hannes 
- scsi: libfc: send LOGO for PLOGI failure (Hannes Reinecke)
- scsi: libfc: Issue PRLI after a PRLO has been received (Hannes Reinecke)
- libfc: Update rport reference counting (Hannes Reinecke)
- amd/kvm: do not intercept new MSRs for spectre v2 mitigation (Elena 
- RDS: null pointer dereference in rds_atomic_free_op (Mohamed Ghannam) 
[Orabug: 27422832]  {CVE-2018-5333}
- ACPI: sbshc: remove raw pointer from printk() message (Greg 
Kroah-Hartman)  [Orabug: 27501257]  {CVE-2018-5750}
- futex: Prevent overflow by strengthen input validation (Li Jinyue) 
[Orabug: 27539548]  {CVE-2018-6927}
- net: ipv4: add support for ECMP hash policy choice (Venkat 
Venkatsubra)  [Orabug: 27547114]
- net: ipv4: Consider failed nexthops in multipath routes (David Ahern) 
[Orabug: 27547114]
- ipv4: L3 hash-based multipath (Peter Nørlund)  [Orabug: 27547114]
- dm: fix race between dm_get_from_kobject() and __dm_destroy() (Hou 
Tao)  [Orabug: 27677556]  {CVE-2017-18203}
- NFS: only invalidate dentrys that are clearly invalid. (NeilBrown) 
[Orabug: 27870824]
- net: Improve handling of failures on link and route dumps (David 
Ahern)  [Orabug: 27959177]
- mm/mempolicy: fix use after free when calling get_mempolicy (zhong 
jiang)  [Orabug: 27963519]  {CVE-2018-10675}
- drm: udl: Properly check framebuffer mmap offsets (Greg Kroah-Hartman) 
  [Orabug: 27963530]  {CVE-2018-8781}
- xfs: set format back to extents if xfs_bmap_extents_to_btree (Eric 
Sandeen)  [Orabug: 27963576]  {CVE-2018-10323}
- Revert "mlx4: change the ICM table allocations to lowest needed size" 
(Håkon Bugge)  [Orabug: 27980030]
- Bluetooth: Prevent stack info leak from the EFS element. (Ben Seri) 
[Orabug: 28030514]  {CVE-2017-1000410} {CVE-2017-1000410}

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