[PATCH 4.14] scsi:be2iscsi: Fix a kernel address leakage in be_main.c

From: Fuqian Huang
Date: Tue Apr 16 2019 - 03:06:48 EST


Outputting kernel addresses will reveal the locations of kernel code
and data. And there is no need to print the address of a global object
beiscsi_iscsi_transport in beiscsi_module_init.
This case is similar to CVE-2018-7273[1].
Just remove the print statement.

[1] https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7273

Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx>
---
drivers/scsi/be2iscsi/be_main.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index b4542e7..f0dcd1f 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -5844,8 +5844,6 @@ static int __init beiscsi_module_init(void)
"beiscsi_module_init - Unable to register beiscsi transport.\n");
return -ENOMEM;
}
- printk(KERN_INFO "In beiscsi_module_init, tt=%p\n",
- &beiscsi_iscsi_transport);

ret = pci_register_driver(&beiscsi_pci_driver);
if (ret) {
--
2.11.0