[PATCH 0/2] Fix couple of issues with LDT remap for PTI
From: Kirill A. Shutemov
Date: Tue Oct 23 2018 - 12:32:19 EST
The patchset fixes issues with LDT remap for PTI:
- Layout collision due to KASLR with 5-level paging;
- Information leak via Meltdown-like attack;
Please review and consider applying.
Kirill A. Shutemov (2):
x86/mm: Move LDT remap out of KASLR region on 5-level paging
x86/ldt: Unmap PTEs for the slow before freeing LDT
Documentation/x86/x86_64/mm.txt | 8 ++--
arch/x86/include/asm/page_64_types.h | 12 ++---
arch/x86/include/asm/pgtable_64_types.h | 4 +-
arch/x86/kernel/ldt.c | 59 ++++++++++++++++---------
arch/x86/xen/mmu_pv.c | 6 +--
5 files changed, 53 insertions(+), 36 deletions(-)
--
2.19.1