This is a note to let you know that I've just added the patch titled HID: picolcd_core: validate output report details to the 3.10-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-picolcd_core-validate-output-report-details.patch and it can be found in the queue-3.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 1e87a2456b0227ca4ab881e19a11bb99d164e792 Mon Sep 17 00:00:00 2001 From: Kees Cook <keescook@xxxxxxxxxxxx> Date: Wed, 28 Aug 2013 22:31:52 +0200 Subject: HID: picolcd_core: validate output report details From: Kees Cook <keescook@xxxxxxxxxxxx> commit 1e87a2456b0227ca4ab881e19a11bb99d164e792 upstream. A HID device could send a malicious output report that would cause the picolcd HID driver to trigger a NULL dereference during attr file writing. [jkosina@xxxxxxx: changed report->maxfield < 1 to report->maxfield != 1 as suggested by Bruno]. CVE-2013-2899 Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Reviewed-by: Bruno Prémont <bonbons@xxxxxxxxxxxxxxxxx> Acked-by: Bruno Prémont <bonbons@xxxxxxxxxxxxxxxxx> Signed-off-by: Jiri Kosina <jkosina@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/hid/hid-picolcd_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/hid/hid-picolcd_core.c +++ b/drivers/hid/hid-picolcd_core.c @@ -290,7 +290,7 @@ static ssize_t picolcd_operation_mode_st buf += 10; cnt -= 10; } - if (!report) + if (!report || report->maxfield != 1) return -EINVAL; while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r')) Patches currently in stable-queue which might be from keescook@xxxxxxxxxxxx are queue-3.10/hid-sensor-hub-validate-feature-report-details.patch queue-3.10/hid-picolcd_core-validate-output-report-details.patch queue-3.10/hid-validate-hid-report-id-size.patch queue-3.10/hid-pantherlord-validate-output-report-details.patch queue-3.10/crypto-api-fix-race-condition-in-larval-lookup.patch queue-3.10/hid-check-for-null-field-when-setting-values.patch queue-3.10/hid-ntrig-validate-feature-report-details.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html