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 …
Revisiting rowhammer: An experimental analysis of modern dram devices and mitigation techniques
RowHammer is a circuit-level DRAM vulnerability, first rigorously analyzed and introduced in
2014, where repeatedly accessing data in a DRAM row can cause bit flips in nearby rows …
2014, where repeatedly accessing data in a DRAM row can cause bit flips in nearby rows …
Hydra: Enabling low-overhead mitigation of row-hammer at ultra-low thresholds via hybrid tracking
DRAM systems continue to be plagued by the Row-Hammer (RH) security vulnerability. The
threshold number of row activations (TRH) required to induce RH has reduced rapidly from …
threshold number of row activations (TRH) required to induce RH has reduced rapidly from …
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 …
Rega: Scalable rowhammer mitigation with refresh-generating activations
Mitigating Rowhammer requires performing additional refresh operations to recharge DRAM
rows before bits start to flip. These refreshes are scarce and can only happen periodically …
rows before bits start to flip. These refreshes are scarce and can only happen periodically …
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 …
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 …
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 …
[PDF][PDF] Panopticon: A complete in-dram rowhammer mitigation
The shortcomings of previous Rowhammer mitigations prevent their adoption in practice.
Their implementations either need significant amounts of fast memory, such as CAM or …
Their implementations either need significant amounts of fast memory, such as CAM or …