linux-kernel - [patch] NFC: pn533: use after free in pn533

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [day] [month] [year] [list]

Date:	Fri, 8 Jul 2011 10:21:15 +0300
From:	Dan Carpenter <error27@...il.com>
To:	Lauro Ramos Venancio <lauro.venancio@...nbossa.org>
Cc:	"John W. Linville" <linville@...driver.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Aloisio Almeida Jr <aloisio.almeida@...nbossa.org>,
	open list <linux-kernel@...r.kernel.org>,
	kernel-janitors@...r.kernel.org
Subject: [patch] NFC: pn533: use after free in pn533_disconnect()

We freed "dev" on the line before.

Signed-off-by: Dan Carpenter <error27@...il.com>

diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c
index 0372315..c77e054 100644
--- a/drivers/nfc/pn533.c
+++ b/drivers/nfc/pn533.c
@@ -1596,7 +1596,7 @@ static void pn533_disconnect(struct usb_interface *interface)
 	usb_free_urb(dev->out_urb);
 	kfree(dev);
 
-	nfc_dev_info(&dev->interface->dev, "NXP PN533 NFC device disconnected");
+	nfc_dev_info(&interface->dev, "NXP PN533 NFC device disconnected");
 }
 
 static struct usb_driver pn533_driver = {
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/