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CVE-2026-20674: Sensitive information could potentially be accessed through Accessibility services while the device is locked. This issue is fixed in iOS 26.3 and iPadOS 26.3. (3rd Mar 2026)
Preface: In iOS development, CVE-2026-20674 relates to a security vulnerability where sensitive information could potentially be accessed through Accessibility services while the device is locked. Background: UIApplication.shared.isProtectedDataAvailable impacts the iOS lockscreen because it directly reflects whether user-encrypted data (Keychain, files) is accessible based on the device’s lock status. When locked, this returns false, causing apps…
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Although CVE-2024-36354 was disclosed in August 2025, AMD has updated its Product Safety Bulletin (AMD-SB-3014) to 27th February 2026 to include the final TCB values for later cycle patching (2nd Mar 2026)
Preface: SPD (Serial Presence Detect) metadata is not used by CPU or GPU manufacturers for the processors themselves, but it is an industry-standard requirement for the memory modules (RAM) that these processors depend on. Background: DIMM Serial Presence Detect (SPD) protects Ring 0 by ensuring the BIOS/UEFI correctly identifies memory characteristics (timings, voltage, size) during…
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Please do not underestimate CVE-2023-31364. The official remedial measures were announced the details on February 24, 2026. (27-02-2026)
Preface: AMD EPYC processors (including the latest 9005 Series) fully incorporate an I/O Memory Management Unit (IOMMU). In AMD’s architecture, this technology is known as AMD-Vi (AMD I/O Virtualization). It serves as a foundational component for the hardware-level security and isolation. Background: In a virtualized environment, the IOMMU (AMD-Vi) acts as the essential bridge between…
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CVE-2026-3061: Out of bounds read in Media in Google Chrome (26-02-2026)
Preface: In the computer industry, the term “sustainability” encompasses design flaws and their remedies. If someone tells you that their hardware and software products have never been found to have any vulnerabilities to date, their design is likely perfect. However, they still need to maintain its sustainability. Background: In Google Chrome, “Media” refers to the…
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CVE-2025-33179 and CVE-2025-33180: About NVIDIA Cumulus Linux and NVOS products (25-02-2026)
Preface: NVIDIA InfiniBand switches are based on technology from Mellanox Technologies. Nvidia Spectrum switches are based on technology from Mellanox Technologies. The Spectrum switch ASIC portfolio, originally developed by Mellanox for high-performance Ethernet networking, was rebranded under Nvidia and is now a core component of Nvidia’s networking division. NVIDIA completed the acquisition of Mellanox Technologies,…
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AMD-SB-3043 all aspects, side-channel analysis for privacy applications on confidential VMs (24th Feb 2026)
Preface: AMD-SB-3042 is a formal advisory for a specific vulnerability, while AMD-SB-3043 is an advisory regarding an analytical tool (SNPeek) used to detect such vulnerabilities. Background: If AMD zen5 operating AMD SEV-SNP, traditional hypervisor especially VMware or Hyper-V management include encryption will handle by hypervisor embedded in Xen5, so SNPeek collect the traffic is un-encrypted…
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Edge TPU (an ASIC accelerator developed by Google) – Episode 1 (23rd Feb 2026)
Preface: PyCoral is specifically a TPU processing technique. While TensorFlow Lite (TFLite) can run on a standard CPU, PyCoral is the dedicated library used to delegate those operations to the Edge TPU hardware. PyCoral API: This is a Python library specifically designed by Google to run inference on Coral Edge TPU hardware, such as the…
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On February 22, 2026, the primary coronal hole aligning with Earth is located in the Sun’s northern hemisphere.
Preface: Earlier in February 2026, a separate large coronal hole was observed in the Sun’s southern hemisphere. However, the specific feature aligning with Earth today, February 22, is the one in the northern hemisphere. Current Space Weather Forecast (Feb 22, 2026) Geomagnetic Activity: Forecasters expect “unsettled to active” levels. The arrival of fast-moving solar particles…
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CVE-2025-33239 and CVE-2025-33240: Regarding NVIDIA Megatron Bridge (20th Feb 2026)
Preface: Artificial intelligence is both harmful and beneficial. Why is it harmful? Fundamentally, it reduces opportunities for low-skilled jobs. Speakers chant slogans like “Smart living, increased productivity.” However, its underlying problems seem difficult to conceal, so you can learn about the latest developments in artificial intelligence from online newspapers and articles. Today, when you seek…
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CVE-2025-33245: NVIDIA NeMo 2.0+ shifts away from pickle (19th Feb 2026)
Preface: NeMo 2.0 is NVIDIA’s major modernization of the NeMo ecosystem. Two things to remember about NeMo 2.0: 1. NeMo 2.0 is the training & model building framework. It focuses on: • Model architectures (LLMs, ASR, TTS, multimodal) • Training pipelines • NeMo Run + NeMo-based microservices • Distributed GPU/accelerated workflows 2. NeMo Guardrails and…