I've already read a few posts about a vulnerability on Trezor, so I wouldn't say that they are "attacks", as Trezor already acknowledged this issue. Trezor actually posted about the vulnerability on Twitter in the past and how they're already looking at it:
https://twitter.com/TREZOR/status/898532238542950400Also, Trezor recently tweeted claiming they fixed it on the latest 1.5.2 update. I honestly wouldn't be too alarmed by this though, as a hacker would actually need to physically steal your Trezor to crack it.