This is a note to let you know that I've just added the patch titled
HID: sensor-hub: validate feature report details
to the 3.11-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:
hid-sensor-hub-validate-feature-report-details.patch
and it can be found in the queue-3.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 9e8910257397372633e74b333ef891f20c800ee4 Mon Sep 17 00:00:00 2001
From: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Wed, 28 Aug 2013 22:31:44 +0200
Subject: HID: sensor-hub: validate feature report details
From: Kees Cook <keescook@xxxxxxxxxxxx>
commit 9e8910257397372633e74b333ef891f20c800ee4 upstream.
A HID device could send a malicious feature report that would cause the
sensor-hub HID driver to read past the end of heap allocation, leaking
kernel memory contents to the caller.
CVE-2013-2898
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Signed-off-by: Jiri Kosina <jkosina@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hid/hid-sensor-hub.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -221,7 +221,8 @@ int sensor_hub_get_feature(struct hid_se
mutex_lock(&data->mutex);
report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT);
- if (!report || (field_index >= report->maxfield)) {
+ if (!report || (field_index >= report->maxfield) ||
+ report->field[field_index]->report_count < 1) {
ret = -EINVAL;
goto done_proc;
}
Patches currently in stable-queue which might be from keescook@xxxxxxxxxxxx are
queue-3.11/hid-sensor-hub-validate-feature-report-details.patch
queue-3.11/hid-picolcd_core-validate-output-report-details.patch
queue-3.11/hid-validate-hid-report-id-size.patch
queue-3.11/hid-pantherlord-validate-output-report-details.patch
queue-3.11/crypto-api-fix-race-condition-in-larval-lookup.patch
queue-3.11/hid-check-for-null-field-when-setting-values.patch
queue-3.11/hid-ntrig-validate-feature-report-details.patch
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