[prev in list] [next in list] [prev in thread] [next in thread]
List: linux-kernel
Subject: [PATCH 18/27] Prohibit PCMCIA CIS storage when the kernel is locked down
From: Matthew Garrett <matthewgarrett () google ! com>
Date: 2019-02-28 23:11:54
Message-ID: 20190228231203.212359-18-matthewgarrett () google ! com
[Download RAW message or body]
From: David Howells <dhowells@redhat.com>
Prohibit replacement of the PCMCIA Card Information Structure when the
kernel is locked down.
Suggested-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-pcmcia@lists.infradead.org
---
drivers/pcmcia/cistpl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index ac0672b8dfca..8adf092d0e18 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -1578,6 +1578,9 @@ static ssize_t pccard_store_cis(struct file *filp, struct kobject *kobj,
struct pcmcia_socket *s;
int error;
+ if (kernel_is_locked_down("Direct PCMCIA CIS storage"))
+ return -EPERM;
+
s = to_socket(container_of(kobj, struct device, kobj));
if (off)
--
2.21.0.352.gf09ad66450-goog
[prev in list] [next in list] [prev in thread] [next in thread]
Configure |
About |
News |
Add a list |
Sponsored by KoreLogic