ELSA-2019-4628

Описание

[4.14.35-1844.4.5.2]

• x86/mds: Add empty commit for CVE-2019-11091 (Konrad Rzeszutek Wilk) [Orabug: 29721848] {CVE-2019-11091}
• x86/speculation/mds: Make mds_mitigation mutable after init (Konrad Rzeszutek Wilk) [Orabug: 29721835] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}

[4.14.35-1844.4.5.1]

• x86/speculation: Support 'mitigations=' cmdline option (Josh Poimboeuf) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• cpu/speculation: Add 'mitigations=' cmdline option (Josh Poimboeuf) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off (Konrad Rzeszutek Wilk) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Fix comment (Boris Ostrovsky) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add debugfs for controlling MDS (Kanth Ghatraju) [Orabug: 29526899] {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: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add SMT warning message (Josh Poimboeuf) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation: Move arch_smt_update() call to after mitigation decisions (Josh Poimboeuf) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add mds=full,nosmt cmdline option (Josh Poimboeuf) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• Documentation: Add MDS vulnerability documentation (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• Documentation: Move L1TF to separate directory (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add mitigation mode VMWERV (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add sysfs reporting for MDS (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add mitigation control for MDS (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Conditionally clear CPU buffers on idle entry (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/kvm/vmx: Add MDS protection when L1D Flush is not active (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Clear CPU buffers on exit to user (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add mds_clear_cpu_buffers() (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests (Andi Kleen) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add BUG_MSBDS_ONLY (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation/mds: Add basic bug infrastructure for MDS (Andi Kleen) [Orabug: 29526899] {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: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/msr-index: Cleanup bit defines (Thomas Gleixner) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127} file (Will Deacon) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/cpu: Sanitize FAM6_ATOM naming (Peter Zijlstra) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• Documentation/l1tf: Fix small spelling typo (Salvatore Bonaccorso) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• x86/speculation: Simplify the CPU bug detection logic (Dominik Brodowski) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}
• tools include: Adopt linux/bits.h (Arnaldo Carvalho de Melo) [Orabug: 29526899] {CVE-2018-12126} {CVE-2018-12130} {CVE-2018-12127}