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Big headline from USENIX Security 2026: CISPA (Germany) and KU Leuven tested multiple *commercial* RISC-V CPUs in real attack scenarios—and found Spectre-style speculative execution leaks work just as badly as on modern x86 and Arm. They evaluated processors including SiFive P550 and T-Head XuanTie C910/C920. The key idea: Spectre’s “speculate first, then squash” behavior can still leave inferable traces in microarchitectural state (like caches), even when the branch prediction guess is wrong. Across 13 tested attack setups, 12 succeeded on those chips. Coverage includes conditional branches, indirect jumps, return prediction, and classic Spectre techniques that infer secrets via dependent memory read/write patterns. This isn’t magic—an attacker still needs code execution on the target. In a C910 demo, researchers used Linux’s BPF (Berkeley Packet Filter) to show a path to arbitrary core memory reads, measuring a median leak rate of ~338 bytes/sec. But exploit reliability depends on specific Linux versions/configs, and some variants require certain branch-prediction features. Worse: software mitigations may fail due to RISC-V compilation quirks (e.g., barrier_nospec() turning into a no-op) and BPF JIT behavior. #RISCv #Spectre #USENIX #LinuxSecurity #SpeculativeExecution #Microarchitecture

The US Army awarded AeroVironment a $117M contract for 82 P550 eVTOL drones in the platform's first full-rate production order.

The US Army has awarded a $117.3m contract to AeroVironment for the delivery of its P550 electric vertical take-off and landing UAS.

AeroVironment, Inc. (“AV”) (NASDAQ: AVAV), a global leader in intelligent, multi-domain autonomous systems, today announced it has been awarded a $117.3 million contract by the U.S. Army for its P550™ electric vertical take-off and landing (eVTOL) unmanned aerial system in support of the Army’s Long Range Reconnaissance program, advancing the Army’s push to field scalable, adaptable capabilities for modern warfare. An autonomous Group 2 eVTOL UAS, AV’s P550 has become a staple of reliability for America’s armed forces and allies by enabling smarter and safer operations through its modular open systems approach (MOSA).

Reported Monday, Jul 20 - 9:12am EDT (TheFly subscription required to read more.)

AeroVironment (NASDAQ: AVAV) announced a $117.3 million U.S. Army production contract for its P550 electric vertical take-off and landing unmanned aerial system, awarded under a Basic Ordering Agreement through a competitive Call for Solutions within the Army’s UAS Marketplace initiative.According to the company, the award covers 82 P550 systems to support the Army’s Battalion Reconnaissance effort and marks the initial full-rate procurement of the platform. The modular Group 2 eVTOL UAS offers up to five hours all-electric endurance, up to 15 pounds payload capacity, rapid field reconfiguration in under five minutes, and supports ISR, precision strike, electronic warfare, and communications relay missions.

An important one-liner is set to come for Linux 7.2 to enable ESWIN SoC support by default for RISC-V kernel builds. This change will allow default RISC-V kernel builds in turn to boot on the likes of SiFive's HiFive Premier P550 developer board...

An important one-liner is set to come for Linux 7.2 to enable ESWIN SoC support by default for RISC-V kernel builds. This change will allow default RISC-V kernel builds in turn to boot on the likes of SiFive's HiFive Premier P550 developer board...

An important one-liner is set to come for Linux 7.2 to enable ESWIN SoC support by default for RISC-V kernel builds. This change will allow default RISC-V kernel builds in turn to boot on the likes of SiFive's HiFive Premier P550 developer board...

The US Army awarded AeroVironment a $117.3M contract for 82 P550 drones to expand battalion-level long-range reconnaissance capacity by July 2026.

AeroVironment secured a $117.3 million U.S. Army contract award to deliver 82 P550 unmanned aircraft systems.

L’armée américaine investit massivement dans les drones avec 185 millions de dollars de commandes passées. Les systèmes P550 offriront une c

Departament Obrony USA podpisał umowę wykonawczą ze spółką AeroVironment Inc. na dostawę dużej partii autonomicznych bezzałogowców pionowego startu i lądowania P550 do zadań rozpoznawczych dalekiego z...

The U.S. Army awarded California-based AeroVironment a $117 million contract on June 3, 2026, to deliver 82 of the company's P550 unmanned aircraft systems, giving ground commanders an organic reconna...

D.M. WENCESLAO & ASSOCIATES, Inc. reported a 2.14% decline in first-quarter (Q1) net income to P550 million from P562 million a year earlier, as weaker residential revenues offset steady recurring income from its leasing businesses. In a statement on Wednesday, the listed property developer said recurring revenues from land leases, commercial buildings, and other leasing […]