On 7/27/18 10:20 PM, Jinbum Park wrote: > User controls @dev_minor which to be used as index of pkt_devs. > So, It can be exploited via Spectre-like attack. (speculative execution) > > This kind of attack leaks address of pkt_devs, [1] > It leads an attacker to bypass security mechanism such as KASLR. > > So sanitize @dev_minor before using it to prevent attack. > > [1] https://github.com/jinb-park/linux-exploit/ > tree/master/exploit-remaining-spectre-gadget/leak_pkt_devs.c Applied for 4.19, thanks. -- Jens Axboe
