2.6.32-longterm review patch. If anyone has any objections, please let me know.
------------------ From: Dan Carpenter <[email protected]> commit dc0ab1ddeb0c5f5eb3f37a72eadb394792b3c40d upstream We need to add a limit check here so we don't overflow the buffer. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> (backported from commit f2e323ec96077642d397bb1c355def536d489d16) CVE-2014-8884 BugLink: http://bugs.launchpad.net/bugs/1395187 Signed-off-by: Luis Henriques <[email protected]> Acked-by: Andy Whitcroft <[email protected]> Signed-off-by: Andy Whitcroft <[email protected]> Acked-by: Stefan Bader <[email protected]> Signed-off-by: Willy Tarreau <[email protected]> --- drivers/media/dvb/ttusb-dec/ttusbdecfe.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/dvb/ttusb-dec/ttusbdecfe.c b/drivers/media/dvb/ttusb-dec/ttusbdecfe.c index 21260aa..852870b 100644 --- a/drivers/media/dvb/ttusb-dec/ttusbdecfe.c +++ b/drivers/media/dvb/ttusb-dec/ttusbdecfe.c @@ -154,6 +154,9 @@ static int ttusbdecfe_dvbs_diseqc_send_master_cmd(struct dvb_frontend* fe, struc 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; + if (cmd->msg_len > sizeof(b) - 4) + return -EINVAL; + memcpy(&b[4], cmd->msg, cmd->msg_len); state->config->send_command(fe, 0x72, -- 1.7.12.2.21.g234cd45.dirty -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
