Buffett, valued at $65.7 billion according to Forbes, told CNBC that Barra is in a "hotseat" but added that it's "not a hotseat of her own making." Buffett's company, Berkshire Hathaway, owns a $1.4 billion stake in GM.
According to CNN Money, meanwhile, Buffett called Barra, the first woman to run a major automaker, "dynamite." Buffett also told reporters that, "You couldn't have a better executive" at GM's helm, before adding that she's handled the recall well.
Take a look below for video from CNN Money of Buffett's remarks on GM.