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Power outage in Spain and Portugal on caused by rare atmospheric phenomenon. So called Induced atmospheric vibration. (1st May 2025)
Preface: MADRID/LISBON, April 28 (Reuters) – Power started returning to parts of the Iberian peninsula late on Monday after a huge outage brought most of Spain and Portugal to a standstill, grounding planes, halting public transport, and forcing hospitals to suspend routine operations. Background: The recent widespread power outage in Spain, Portugal, and parts of…
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Similar to previously disclosed side-channel attacks. Manufacturer (AMD) response to researcher (30-03-2025)
Preface: On 24th Oct, 2024, Researchers from Azure® Research, Microsoft® have provided to AMD a paper titled “Principled Microarchitectural Isolation on Cloud CPUs.” In their paper, the researchers describe a potential side-channel vulnerability on AMD CPUs. AMD believes that existing mitigation recommendations for prime and probe side-channel attacks remain applicable to the presented vulnerability. Background:…
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CVE-2025-29909: CryptoLib’s design weakness (19-03-2025)
Preface: Human being life average 80 year old. Explorering space is a long time travel. So, it only relies on machine. Even though exploring machine can relies on solar energy. In space there is a lot of uncertainty. For example, the shock of meteorite. Furthemore, the spacecraft operates in a unique environment, the spacecraft’s power…
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Python , have ever you though? (25-02-2025)
Preface: Maintaining a satellite’s orbit involves a combination of precise calculations and regular adjustments. Here are the key factors: Background: The PyEphem module provides highly precise data on the planets and our solar system. This module leverages an extremely robust C library that allows you to pinpoint planets, perform interplanetary calculations and discover more data…
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CVE-2024-41009: bpf – Fix overrunning reservations in ringbuf (17th July 2024)
Preface: Consumer and producer counters are put into separate pages to allow each position to be mapped with different permissions. This prevents a user-space application from modifying the position and ruining in-kernel tracking. The permissions of the pages depend on who is producing samples: user-space or the kernel. Starting from Linux 5.8, BPF provides a…
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CVE-2024-0102: About NVIDIA® CUDA® Toolkit. If you remember, a similar incident happened in April of this year. Believe this is a weakness of similar designs. (11 July 2024)
Preface: OpenAI revealed that the project cost $100 million, took 100 days, and used 25,000 NVIDIA A100 GPUs. Each server equipped with these GPUs uses approximately 6.5 kW, so an estimated 50 GWh of energy is consumed during training. Background: Parallel processing is a method in computing of running two or more processors (CPUs) to…
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To be new or it was former: Rowhammer Attacks on AMD Zen-Based Platforms. So called ZenHammer (25-03-2024)
Preface: It is possible to trigger Rowhammer bit flips on DDR4 devices on AMD Zen 2 and Zen 3 systems despite deployed TRR mitigations, said researchers at ETH Zurich. Background: When high-energy charged particles pass through the crystal lattice of a silicon wafer, their charges can interfere with the electrons within the lattice itself and…
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International Space Station slipping across the Moon’s face as it flies by at 8 kilometers per second (8th Mar 2024)
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LiDAR assists archaeologist discovered ruins found in upper Amazon rainforest (15th Jan 2024)
Preface: In ancient time of South America Tribal leaders would cover their bodies with gold powder and wash themselves in a holy lake in the mountains. For example, the famous place for ancient civilization execute this ceremony is Lake Titicaca. Priests and nobles would throw precious gold and emeralds into the lake dedicated to God.…
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Pulling back the curtain on Python satellite technology (24th Nov 2023)
Preface: Satellite communications use the very high-frequency range of 1–50 gigahertz (GHz; 1 gigahertz = 1,000,000,000 hertz) to transmit and receive signals. The frequency ranges or bands are identified by letters: (in order from low to high frequency) L-, S-, C-, X-, Ku-, Ka-, and V-bands. The band 435- 438 MHz is heavily used for…