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author | Josh Boyer <jwboyer@fedoraproject.org> | 2016-05-17 09:03:07 -0400 |
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committer | Josh Boyer <jwboyer@fedoraproject.org> | 2016-05-17 11:14:02 -0400 |
commit | 6116861edf2be2615467c0f189153f95badf7e58 (patch) | |
tree | 4cde55ba426e107151683f8b4356c2a1d9d97b84 /USB-usbfs-fix-potential-infoleak-in-devio.patch | |
parent | 59915d41e79894c3ddd27a6a83e74b3991b23451 (diff) | |
download | kernel-6116861edf2be2615467c0f189153f95badf7e58.tar.gz kernel-6116861edf2be2615467c0f189153f95badf7e58.tar.xz kernel-6116861edf2be2615467c0f189153f95badf7e58.zip |
Linux v4.6
- Disable CONFIG_DEBUG_VM_PGFLAGS on non debug kernels (rhbz 1335173)
- CVE-2016-3713 kvm: out-of-bounds access in set_var_mtrr_msr (rhbz 1332139 1336410)
Diffstat (limited to 'USB-usbfs-fix-potential-infoleak-in-devio.patch')
-rw-r--r-- | USB-usbfs-fix-potential-infoleak-in-devio.patch | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/USB-usbfs-fix-potential-infoleak-in-devio.patch b/USB-usbfs-fix-potential-infoleak-in-devio.patch new file mode 100644 index 000000000..48360c930 --- /dev/null +++ b/USB-usbfs-fix-potential-infoleak-in-devio.patch @@ -0,0 +1,41 @@ +From 7adc5cbc25dcc47dc3856108d9823d08da75da9d Mon Sep 17 00:00:00 2001 +From: Kangjie Lu <kangjielu@gmail.com> +Date: Tue, 3 May 2016 16:32:16 -0400 +Subject: [PATCH] USB: usbfs: fix potential infoleak in devio +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +The stack object “ci” has a total size of 8 bytes. Its last 3 bytes +are padding bytes which are not initialized and leaked to userland +via “copy_to_user”. + +Signed-off-by: Kangjie Lu <kjlu@gatech.edu> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + drivers/usb/core/devio.c | 9 +++++---- + 1 file changed, 5 insertions(+), 4 deletions(-) + +diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c +index 52c4461dfccd..9b7f1f75e887 100644 +--- a/drivers/usb/core/devio.c ++++ b/drivers/usb/core/devio.c +@@ -1316,10 +1316,11 @@ static int proc_getdriver(struct usb_dev_state *ps, void __user *arg) + + static int proc_connectinfo(struct usb_dev_state *ps, void __user *arg) + { +- struct usbdevfs_connectinfo ci = { +- .devnum = ps->dev->devnum, +- .slow = ps->dev->speed == USB_SPEED_LOW +- }; ++ struct usbdevfs_connectinfo ci; ++ ++ memset(&ci, 0, sizeof(ci)); ++ ci.devnum = ps->dev->devnum; ++ ci.slow = ps->dev->speed == USB_SPEED_LOW; + + if (copy_to_user(arg, &ci, sizeof(ci))) + return -EFAULT; +-- +2.5.5 + |