Patch "usb: gadget: avoid exposing kernel stack" has been added to the 4.4-stable tree
Subsystems (2)
This is a note to let you know that I've just added the patch titled
usb: gadget: avoid exposing kernel stack
to the 4.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
usb-gadget-avoid-exposing-kernel-stack.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
ffeee83aa0461992e8a99a59db2df31933e60362Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <[email protected]>
Date: Sun, 8 May 2016 23:20:59 +0200
Subject: usb: gadget: avoid exposing kernel stack
From: Heinrich Schuchardt <[email protected]>
commit ffeee83aa0461992e8a99a59db2df31933e60362 upstream.
Function in_rq_cur copies random bytes from the stack. Zero the memory instead.
--- drivers/usb/gadget/function/f_uac2.c | 1 + 1 file changed, 1 insertion(+)
drivers/usb/gadget/function/f_uac2.c +1 -0
@@ -1291,6 +1291,7 @@ in_rq_cur(struct usb_function *fn, constif (control_selector ==UAC2_CS_CONTROL_SAM_FREQ ) {struct cntrl_cur_lay3 c; +memset (&c,0 ,sizeof (struct cntrl_cur_lay3 ));if (entity_id ==USB_IN_CLK_ID ) c.dCUR = p_srate;
Patches currently in stable-queue which might be from [email protected] are
queue-4.4/usb-gadget-avoid-exposing-kernel-stack.patch