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OracleLinuxELSA-2019-4837
HistoryNov 12, 2019 - 12:00 a.m.

Unbreakable Enterprise kernel security update

2019-11-1200:00:00
linux.oracle.com
25

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

[4.1.12-124.32.3.2]

  • x86/tsx: Add config options to set tsx=on|off|auto (Michal Hocko) [Orabug: 30419233] {CVE-2019-11135}
  • x86/speculation/taa: Add documentation for TSX Async Abort (Pawan Gupta) [Orabug: 30419233] {CVE-2019-11135}
  • x86/tsx: Add ‘auto’ option to the tsx= cmdline parameter (Pawan Gupta) [Orabug: 30419233] {CVE-2019-11135}
  • kvm/x86: Export MDS_NO=0 to guests when TSX is enabled (Pawan Gupta) [Orabug: 30419233] {CVE-2019-11135}
  • x86/speculation/taa: Add sysfs reporting for TSX Async Abort (Pawan Gupta) [Orabug: 30419233] {CVE-2019-11135}
  • x86/speculation/taa: Add mitigation for TSX Async Abort (Kanth Ghatraju) [Orabug: 30419233] {CVE-2019-11135}
  • x86/cpu: Add a ‘tsx=’ cmdline option with TSX disabled by default (Pawan Gupta) [Orabug: 30419233] {CVE-2019-11135}
  • x86/cpu: Add a helper function x86_read_arch_cap_msr() (Pawan Gupta) [Orabug: 30419233] {CVE-2019-11135}
  • x86/msr: Add the IA32_TSX_CTRL MSR (Pawan Gupta) [Orabug: 30419233] {CVE-2019-11135}
    [4.1.12-124.32.3.1]
  • kvm: x86: mmu: Recovery of shattered NX large pages (Junaid Shahid) [Orabug: 29967631] {CVE-2018-12207}
  • kvm: Add helper function for creating VM worker threads (Junaid Shahid) [Orabug: 29967631] {CVE-2018-12207}
  • kvm: mmu: ITLB_MULTIHIT mitigation (Paolo Bonzini) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: remove now unneeded hugepage gfn adjustment (Paolo Bonzini) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: make FNAME(fetch) and __direct_map more similar (Paolo Bonzini) [Orabug: 29967631] {CVE-2018-12207}
  • kvm: x86: Do not release the page inside mmu_set_spte() (Junaid Shahid) [Orabug: 29967631] {CVE-2018-12207}
  • x86/cpu: Add Tremont to the cpu vulnerability whitelist (Pawan Gupta) [Orabug: 29967631] {CVE-2018-12207}
  • x86: Add ITLB_MULTIHIT bug infrastructure (Pawan Gupta) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: MMU: Move mapping_level_dirty_bitmap() call in mapping_level() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
  • Revert ‘KVM: x86: use the fast way to invalidate all pages’ (Sean Christopherson) [Orabug: 29967631] {CVE-2018-12207}
  • kvm: Convert kvm_lock to a mutex (Junaid Shahid) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: MMU: Simplify force_pt_level calculation code in FNAME(page_fault)() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: MMU: Make force_pt_level bool (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: MMU: Remove unused parameter parent_pte from kvm_mmu_get_page() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: extend usage of RET_MMIO_PF_* constants (Paolo Bonzini) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: MMU: Make mmu_set_spte() return emulate value (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: MMU: Move parent_pte handling from kvm_mmu_get_page() to link_shadow_page() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
  • KVM: x86: MMU: Move initialization of parent_ptes out from kvm_mmu_alloc_page() (Takuya Yoshikawa) [Orabug: 29967631] {CVE-2018-12207}
How to protect your server from attacks?

6.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:L/AC:L/Au:N/C:N/I:N/A:C

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