Re: [PATCH] net: vmxnet3: fix possible buffer overflow caused by bad DMA value in vmxnet3_get_rss()

[David Miller]

From: Jia-Ju Bai <baijiaju1990@xxxxxxxxx>
Date: Sat, 30 May 2020 10:41:50 +0800

> 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@xxxxxxxxx>

Applied, thanks.