HID: lenovo-tpkbd: validate output report details
A HID device could send a malicious output report that would cause the lenovo-tpkbd HID driver to write just beyond the output report allocation during initialization, causing a heap overflow: [ 76.109807] usb 1-1: New USB device found, idVendor=17ef, idProduct=6009 ... [ 80.462540] BUG kmalloc-192 (Tainted: G W ): Redzone overwritten CVE-2013-2894 Signed-off-by: NKees Cook <keescook@chromium.org> Cc: stable@vger.kernel.org Signed-off-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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