Specialists from the Computer Science and Artificial Intelligence Laboratory (CSAIL) from the Massachusetts Institute of Technology said that they were able to develop a PACMAN attack technique, which is possible due to a hardware vulnerability in the Apple M1 processor. Moreover, it cannot be closed by software.
The attack itself is carried out using software and hardware, and it can be performed remotely. The PACMAN attack makes it possible to gain access to the kernel of the operating system. At the same time, potentially the same vulnerabilities can be in Qualcomm and Samsung processors, but this has not yet been confirmed.
The technical side of the attack is based on the Pointer Authentication function. It is used to check Pointer Authentication Codes (PACs), allowing only code-signed software to run. However, the PACMAN method allows you to select the necessary PAC values. In part, this technique is similar to Specter and Meltdown in Intel processors.
At the same time, Apple spokesman Scott Radcliffe said that the vulnerability does not pose an immediate threat to users and is not sufficient in itself to bypass operating system protections.
A few years ago, a vulnerability was already found in Arm processors that allows an attacker to gain unauthorized access to data.
Rumor: Nvidia Stops Production of GeForce RTX 3080 GPUs After GeForce RTX 3080 Ti Drops in Price
A steep rise in the value of major cryptocurrencies triggered a cascade of events that resulted in the collapse of prices for new video cards. Many models have fallen in price, including top ones like the GeForce RTX 3080 Ti: with a recommended price of $1,200 (in the US), it is offered by the largest American retailers, Newegg and Amazon, for less than $1,000.
A small price gap between the GeForce RTX 3080 Ti and the GeForce RTX 3080 with 12GB of memory has led Nvidia to suspend shipments of GPUs to partners for the latter. So wrote one of the Twitter users familiar with the situation. It is impossible to confirm or refute these words, but in general such a development of events can be considered quite probable.
Up to 8 XE cores and 6 GB of memory: the first information about the Intel Arc Pro A50/A40 graphics cards appeared
The database of the SiSoftware Sandra test package has fresh data on the upcoming Arc A40 Pro and Arc A50 Pro graphics cards. These are graphics accelerators for workstations that are designed for engineering tasks.
The A50 Pro has a full ACM-G11 GPU with 8 Xe cores (128 execution units/1024 FP32 cores), while the A40 Pro is likely to get a stripped-down version of the chip. The clock frequency is 2.45 GHz.
Both cards have 6 GB GDDR6 memory, indicating a 96-bit memory bus. In this regard, both models are similar to the Arc A380 mobile card, which has almost the same configuration.
Thus, the company continues to prepare its entry-level products. When high-performance gaming and professional solutions based on the ACM-G10 GPU will appear, it is not reported. It is also not yet clear whether the Arc A40 Pro and Arc A50 Pro cards will be available in retail or whether they will appear only as part of workstations.
Earlier, Intel introduced its first gaming graphics card for $150.
Named the likely date of the announcement of the mobile processor Qualcomm Snapdragon 8 Gen 2
Qualcomm has updated its 2022 product launch roadmap. And there, among other things, they indicated the likely date for the announcement of the flagship Snapdragon 8 Gen 2 processor. It is expected to be shown on the first day of the Snapdragon Summit event, which will be held from November 14 to 17.
Qualcomm also announced the Snapdragon X70 5G modem that will be included with the Snapdragon 8 Gen 2. It is credited with download speeds of up to 10 Gbps, as well as new advanced features for working in fifth-generation networks.
The processor (SM8550) will be manufactured using TSMC’s 4nm process. It will use a three-cluster layout. The composition is expected to include one super-powerful Cortex X3 core, two productive Cortex-A720 and A710, as well as three energy-efficient Cortex-A510. An Adreno740 graphics accelerator is also expected.
It is assumed that the first smartphone based on the Snapdragon 8 Gen 2 processor will be Xiaomi 13, its presentation is expected before the end of 2022.
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