Darren Reed darrenr at freebsd.org wrote on
Thu Jan 4 11:56:29 UTC 2018 :
> Most people are only talking about meltdown which doesn't hit AMD.
> spectre impacts *both* Intel and AMD.
> SuSE are making available a microcode patch for AMD 17h processors that
> disables branch prediction:
reports. . .
For the Bounds Check Bypass Spectre variant (#1):
Resolved by software / OS updates to be made available
by system vendors and manufacturers. Negligible performance
For the Branch Target Injection Spectre variant (#2):
Differences in AMD architecture mean there is a near zero
risk of exploitation of this variant. Vulnerability to
Variant 2 has not been demonstrated on AMD processors to
For the Rogue Data Cache Load Meltdown variant (#3):
Zero AMD vulnerability due to AMD architecture differences.
How long #2 will have a "has not been demonstrated" status
is yet to be seen.
markmi at dsl-only.net
firstname.lastname@example.org mailing list
To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"