kernel_samsung_a53x/drivers/net/hyperv
Andres Beltran 7ded00918a hv_netvsc: Use vmbus_requestor to generate transaction IDs for VMBus hardening
[ Upstream commit 4d18fcc95f50950a99bd940d4e61a983f91d267a ]

Currently, pointers to guest memory are passed to Hyper-V as
transaction IDs in netvsc. In the face of errors or malicious
behavior in Hyper-V, netvsc should not expose or trust the transaction
IDs returned by Hyper-V to be valid guest memory addresses. Instead,
use small integers generated by vmbus_requestor as requests
(transaction) IDs.

Signed-off-by: Andres Beltran <lkmlabelt@gmail.com>
Co-developed-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
Signed-off-by: Andrea Parri (Microsoft) <parri.andrea@gmail.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Link: https://lore.kernel.org/r/20201109100402.8946-4-parri.andrea@gmail.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Stable-dep-of: 9cae43da9867 ("hv_netvsc: Register VF in netvsc_probe if NET_DEVICE_REGISTER missed")
Signed-off-by: Sasha Levin <sashal@kernel.org>
2024-11-18 23:19:52 +01:00
..
hyperv_net.h hv_netvsc: Use vmbus_requestor to generate transaction IDs for VMBus hardening 2024-11-18 23:19:52 +01:00
Kconfig hv_netvsc: rndis_filter needs to select NLS 2024-11-18 12:11:39 +01:00
Makefile Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netvsc.c hv_netvsc: Use vmbus_requestor to generate transaction IDs for VMBus hardening 2024-11-18 23:19:52 +01:00
netvsc_bpf.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netvsc_drv.c hv_netvsc: fix race of netvsc and VF register_netdevice 2024-11-18 12:11:10 +01:00
netvsc_trace.c Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
netvsc_trace.h Import A536BXXU9EXDC 2024-06-15 16:02:09 -03:00
rndis_filter.c hv_netvsc: Use vmbus_requestor to generate transaction IDs for VMBus hardening 2024-11-18 23:19:52 +01:00