With old AMD processors, the RAM address management anchored in hardware can be manipulated to access supposedly protected areas.
Side channel allows access to RAM of AMD security controller PSP
Affected processors
Isolated memory
Isolation bypassed
Similar attacks
Just one instruction on AMD's 2015-era CPUs gets you access to Platform Security Processor, microcode, and System Management Interface — exploit for 15h and 16h chip families cracks open secret memory areas
AMD's TPM implementation includes two high-severity flaws, but fixes have been available since May
Chinese Loongson processors have leaky caches, researchers find
TPM vulnerabile su milioni di CPU AMD: perché il BIOS va aggiornato
Spectre rears its ugly head again as researchers show some RISC-V chips are susceptible
Bei alten AMD-Prozessoren lässt sich die in Hardware verankerte RAM-Adressverwaltung manipulieren, um auf vermeintlich geschützte…
Not a very practical exploit, but an exceedingly interesting one.
AMD engineer shuts down discussions on the issue
AMD's stripping of TSME from consumer CPUs appears to be a deliberate, covert move.
The change came to light in April, when Ben Kilpatrick installed a new OS on a Ryzen 7 9700X system built on AMD's Zen 5…
INTERRUPT INJECTION lets unprivileged Linux code bypass Spectre v2 defenses and leak AMD Zen 2 kernel memory at 5.47 bytes per…
