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The buzzword bug of the week is Zenbleed, which affects various AMD processors and is explained in more detail here.
On OpenBSD, the latest -current
snapshots already have the fixes, and errata patches will go out for the supported releases (7.2 and 7.3) shortly.
In a post to the tech@
list, Theo de Raadt described the situation:
List: openbsd-tech Subject: Zenbleed From: "Theo de Raadt" <deraadt () openbsd ! org> Date: 2023-07-24 16:11:45 Zenbleed errata for 7.2 and 7.3 will come out soon. sysupgrade of the -current snapshot already contains a fix.