Blacksmith: Scalable rowhammering in the frequency domain
We present the new class of non-uniform Rowhammer access patterns that bypass
undocumented, proprietary in-DRAM Target Row Refresh (TRR) while operating in a …
undocumented, proprietary in-DRAM Target Row Refresh (TRR) while operating in a …
Rowpress: Amplifying read disturbance in modern dram chips
Memory isolation is critical for system reliability, security, and safety. Unfortunately, read
disturbance can break memory isolation in modern DRAM chips. For example, RowHammer …
disturbance can break memory isolation in modern DRAM chips. For example, RowHammer …
Uncovering in-dram rowhammer protection mechanisms: A new methodology, custom rowhammer patterns, and implications
The RowHammer vulnerability in DRAM is a critical threat to system security. To protect
against RowHammer, vendors commit to security-through-obscurity: modern DRAM chips …
against RowHammer, vendors commit to security-through-obscurity: modern DRAM chips …
Blockhammer: Preventing rowhammer at low cost by blacklisting rapidly-accessed dram rows
Aggressive memory density scaling causes modern DRAM devices to suffer from
RowHammer, a phenomenon where rapidly activating (ie, hammering) a DRAM row can …
RowHammer, a phenomenon where rapidly activating (ie, hammering) a DRAM row can …
A deeper look into rowhammer's sensitivities: Experimental analysis of real dram chips and implications on future attacks and defenses
RowHammer is a circuit-level DRAM vulnerability where repeatedly accessing (ie,
hammering) a DRAM row can cause bit flips in physically nearby rows. The RowHammer …
hammering) a DRAM row can cause bit flips in physically nearby rows. The RowHammer …
Randomized row-swap: Mitigating row hammer by breaking spatial correlation between aggressor and victim rows
Row Hammer is a fault-injection attack in which rapid activations to a single DRAM row
causes bit-flips in nearby rows. Several recent defenses propose tracking aggressor-rows …
causes bit-flips in nearby rows. Several recent defenses propose tracking aggressor-rows …
Scalable memory protection in the {PENGLAI} enclave
Secure hardware enclaves have been widely used for protecting security-critical
applications in the cloud. However, existing enclave designs fail to meet the requirements of …
applications in the cloud. However, existing enclave designs fail to meet the requirements of …
Shadow: Preventing row hammer in dram with intra-subarray row shuffling
As Row Hammer (RH) attacks have been a critical threat to computer systems, numerous
hardware-based (HWbased) RH mitigation strategies have been proposed. However, the …
hardware-based (HWbased) RH mitigation strategies have been proposed. However, the …
Protrr: Principled yet optimal in-dram target row refresh
The DRAM substrate is becoming increasingly more vulnerable to Rowhammer as we move
to smaller technology nodes. We introduce ProTRR, the first principled in-DRAM Target Row …
to smaller technology nodes. We introduce ProTRR, the first principled in-DRAM Target Row …
Understanding rowhammer under reduced wordline voltage: An experimental study using real dram devices
RowHammer is a circuit-level DRAM vulnerability, where repeatedly activating and
precharging a DRAM row, and thus alternating the voltage of a row's wordline between low …
precharging a DRAM row, and thus alternating the voltage of a row's wordline between low …