Jia-Ju Bai 3e1c6846b9 net: vmxnet3: fix possible buffer overflow caused by bad DMA value in vmxnet3_get_rss()
The value adapter->rss_conf is stored in DMA memory, and it is assigned
to rssConf, so rssConf->indTableSize can be modified at anytime by
malicious hardware. Because rssConf->indTableSize is assigned to n,
buffer overflow may occur when the code "rssConf->indTable[n]" is
executed.

To fix this possible bug, n is checked after being used.

Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-06-01 11:52:59 -07:00
..
2020-05-28 16:26:48 -07:00