Re: [PATCH v5.10] staging: rtl8723bs: prevent ->Ssid overflow in rtw_wx_set_scan()

On Fri, May 20, 2022 at 07:57:30AM +0400, Denis Efremov (Oracle) wrote:

This code has a check to prevent read overflow but it needs another check to prevent writing beyond the end of the ->Ssid[] array.

Fixes: 554c0a3abf21 ("staging: Add rtl8723bs sdio wifi driver") Cc: stable stable@vger.kernel.org Signed-off-by: Denis Efremov (Oracle) efremov@linux.com

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drivers/staging/rtl8723bs/os_dep/ioctl_linux.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)

And only 5.10 needs this? What about all other kernel branches?

thanks,

greg k-h