From: Yufeng Mo <moyufeng@huawei.com> driver inclusion category: bugfix bugzilla: NA CVE: NA ------------------------------------ All content sent from the PF to the VF needs to be initialized or assigned a value. Otherwise, the content is a random value, which may cause information leakage. This is the case of msg_data[1] in hclge_get_link_mode(), which causes information leakage. Signed-off-by: Yufeng Mo <moyufeng@huawei.com> Reviewed-by: Peng Li <lipeng321@huawei.com> Reviewed-by: Weiwei Deng <dengweiwei@huawei.com> Reviewed-by: Zhaohui Zhong <zhongzhaohui@huawei.com> Reviewed-by: Junxin Chen <chenjunxin1@huawei.com> Signed-off-by: Shengzui You <youshengzui@huawei.com> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index e04469cfb0b48..2f5dae517df99 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -595,6 +595,7 @@ static void hclge_get_link_mode(struct hclge_vport *vport, u8 msg_data[10]; u8 dest_vfid; + memset(msg_data, 0, sizeof(msg_data)); advertising = hdev->hw.mac.advertising[0]; supported = hdev->hw.mac.supported[0]; dest_vfid = mbx_req->mbx_src_vfid; -- 2.25.1