Re: Zenbleed
- In reply to: Olivier Certner : "Re: Zenbleed"
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Date: Thu, 27 Jul 2023 22:03:00 UTC
On 7/27/23, Olivier Certner <olivier.freebsd@free.fr> wrote: > https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=0bc3126c9cfa0b8c761483215c25382f831a7c6f That commit is labeled for 17h (z1/z1+/z2). The one below was made less than one day prior for 19h (z3/z3+/z4), so it likely contains some mitigation. Try loading it to those platforms and testing the exploit against them to see. b250b32ab1d044953af2dc5e790819a7703b7ee6 https://en.wikipedia.org/wiki/List_of_AMD_CPU_microarchitectures Microcode firmware is literally TOP-SECRET//SCI weaponized magic packet voodoo silo black team stuff, thus updates usually don't get consistent glossy docs publication coordination, let alone exactly what all is being applied to which chips by which releases. More interesting solutions are out there for you to start and join... #OpenFabs , #OpenHW , #OpenAudit , #FormalVerification , #CryptoCrowdFunding , #OpenTrust , #GuerrillaNets , #P2PFiber , #GNURadioRF , #PrivacyCoins , #DropGangs , ...