David Gilhooley c79dd8ba50 platform: nvadsp: prevent speculative load related leak ...

Data can be speculatively loaded from memory and stay in cache even
when bound check fails. This can lead to unintended information
disclosure via side-channel analysis.

To mitigate this problem, insert speculation barrier.

bug 2039126
CVE-2017-5753

Change-Id: I5a745320b64bf6689cf8ac4b713cf1b32f662a23
Signed-off-by: David Gilhooley <dgilhooley@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1640352
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: Ajay Nandakumar M <anandakumarm@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Tested-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2023-06-20 15:13:15 +00:00

..

tegra

platform: nvadsp: prevent speculative load related leak

2023-06-20 15:13:15 +00:00