diff options
| author | Kees Cook <keescook@chromium.org> | 2013-08-28 22:29:55 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2013-08-29 11:01:25 +0200 |
| commit | 43622021d2e2b82ea03d883926605bdd0525e1d1 (patch) | |
| tree | eb347fb9b63e544151787d58f8940bdd957961a0 /drivers/mfd/mfd-core.c | |
| parent | 58c59bc997d86593f0bea41845885917cf304d22 (diff) | |
HID: validate HID report id size
The "Report ID" field of a HID report is used to build indexes of
reports. The kernel's index of these is limited to 256 entries, so any
malicious device that sets a Report ID greater than 255 will trigger
memory corruption on the host:
[ 1347.156239] BUG: unable to handle kernel paging request at ffff88094958a878
[ 1347.156261] IP: [<ffffffff813e4da0>] hid_register_report+0x2a/0x8b
CVE-2013-2888
Signed-off-by: Kees Cook <keescook@chromium.org>
Cc: stable@kernel.org
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/mfd/mfd-core.c')
0 files changed, 0 insertions, 0 deletions