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linux-yocto/arch
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Thijs Raymakers 33e974c2d5 KVM: x86: use array_index_nospec with indices that come from guest 
commit c87bd4dd43a624109c3cc42d843138378a7f4548 upstream.

min and dest_id are guest-controlled indices. Using array_index_nospec()
after the bounds checks clamps these values to mitigate speculative execution
side-channels.

Signed-off-by: Thijs Raymakers <thijs@raymakers.nl>
Cc: stable@vger.kernel.org
Cc: Sean Christopherson <seanjc@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fixes: 715062970f ("KVM: X86: Implement PV sched yield hypercall")
Fixes: bdf7ffc899 ("KVM: LAPIC: Fix pv ipis out-of-bounds access")
Fixes: 4180bf1b65 ("KVM: X86: Implement "send IPI" hypercall")
Link: https://lore.kernel.org/r/20250804064405.4802-1-thijs@raymakers.nl
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-09-04 15:26:29 +02:00
..
alpha alpha/elf: Fix misc/setarch test of util-linux by removing 32bit support 2025-03-28 21:58:51 +01:00
arc ARC: build: Try to guess GCC variant of cross compiler 2025-01-09 13:30:05 +01:00
arm ARM: 9448/1: Use an absolute path to unified.h in KBUILD_AFLAGS 2025-08-28 16:26:10 +02:00
arm64 arm64: dts: ti: k3-am62-main: Remove eMMC High Speed DDR support 2025-08-28 16:26:15 +02:00
csky mm: remove kern_addr_valid() completely 2024-11-08 16:26:39 +01:00
hexagon hexagon: Fix unbalanced spinlock in die() 2025-02-21 13:49:25 +01:00
ia64 mm: remove kern_addr_valid() completely 2024-11-08 16:26:39 +01:00
loongarch LoongArch: BPF: Fix jump offset calculation in tailcall 2025-08-28 16:25:49 +02:00
m68k m68k: Fix lost column on framebuffer debug console 2025-08-28 16:26:05 +02:00
microblaze microblaze: Export xmb_manager functions 2024-12-14 19:53:20 +01:00
mips mips: lantiq: xway: sysctrl: rename the etop node 2025-09-04 15:26:24 +02:00
nios2 mm: remove kern_addr_valid() completely 2024-11-08 16:26:39 +01:00
openrisc mm: remove kern_addr_valid() completely 2024-11-08 16:26:39 +01:00
parisc parisc: Update comments in make_insert_tlb 2025-08-28 16:26:08 +02:00
powerpc powerpc/kvm: Fix ifdef to remove build warning 2025-09-04 15:26:26 +02:00
riscv RISC-V: KVM: Don't treat SBI HFENCE calls as NOPs 2025-06-27 11:07:41 +01:00
s390 s390/hypfs: Enable limited access during lockdown 2025-08-28 16:26:19 +02:00
sh sh: Do not use hyphen in exported variable name 2025-08-15 12:05:04 +02:00
sparc sparc/mm: disable preemption in lazy mmu mode 2025-04-25 10:43:42 +02:00
um um: Re-evaluate thread flags repeatedly 2025-08-28 16:25:56 +02:00
x86 KVM: x86: use array_index_nospec with indices that come from guest 2025-09-04 15:26:29 +02:00
xtensa mm: remove kern_addr_valid() completely 2024-11-08 16:26:39 +01:00
.gitignore
Kconfig Revert "mm: mmap: allow for the maximum number of bits for randomizing mmap_base by default" 2024-06-27 13:46:24 +02:00