This is a note to let you know that I've just added the patch titled
zd1211rw: fix NULL-deref at probe
to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: zd1211rw-fix-null-deref-at-probe.patch and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From foo@baz Sun Mar 18 16:55:33 CET 2018
From: Johan Hovold johan@kernel.org Date: Mon, 13 Mar 2017 13:44:21 +0100 Subject: zd1211rw: fix NULL-deref at probe
From: Johan Hovold johan@kernel.org
[ Upstream commit ca260ece6a57dc7d751e0685f51fa2c55d851873 ]
Make sure to check the number of endpoints to avoid dereferencing a NULL-pointer or accessing memory beyond the endpoint array should a malicious device lack the expected endpoints.
Fixes: a1030e92c150 ("[PATCH] zd1211rw: Convert installer CDROM device into WLAN device") Cc: Daniel Drake dsd@gentoo.org Signed-off-by: Johan Hovold johan@kernel.org Signed-off-by: Kalle Valo kvalo@codeaurora.org Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/wireless/zydas/zd1211rw/zd_usb.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/net/wireless/zydas/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zydas/zd1211rw/zd_usb.c @@ -1278,6 +1278,9 @@ static int eject_installer(struct usb_in u8 bulk_out_ep; int r;
+ if (iface_desc->desc.bNumEndpoints < 2) + return -ENODEV; + /* Find bulk out endpoint */ for (r = 1; r >= 0; r--) { endpoint = &iface_desc->endpoint[r].desc;
Patches currently in stable-queue which might be from johan@kernel.org are
queue-4.9/zd1211rw-fix-null-deref-at-probe.patch