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| author | Marios Pomonis <pomonis@google.com> | 2019-12-11 12:47:46 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-02-14 16:30:00 -0500 |
| commit | 7cbb0333aed407c32be635bcd5802caa538466a5 (patch) | |
| tree | f81d8ad71243fe35bdb55ba96036302c3223e7be /fs/btrfs/extent_io.c | |
| parent | c3ccf2fdfc89871042659ae1463fd1d9665fdfef (diff) | |
KVM: x86: Protect kvm_lapic_reg_write() from Spectre-v1/L1TF attacks
[ Upstream commit 4bf79cb089f6b1c6c632492c0271054ce52ad766 ]
This fixes a Spectre-v1/L1TF vulnerability in kvm_lapic_reg_write().
This function contains index computations based on the
(attacker-controlled) MSR number.
Fixes: 0105d1a52640 ("KVM: x2apic interface to lapic")
Signed-off-by: Nick Finco <nifi@google.com>
Signed-off-by: Marios Pomonis <pomonis@google.com>
Reviewed-by: Andrew Honig <ahonig@google.com>
Cc: stable@vger.kernel.org
Reviewed-by: Jim Mattson <jmattson@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/btrfs/extent_io.c')
0 files changed, 0 insertions, 0 deletions