The corporation also issued patches for Tesla-based mostly GPUs as section of an up-to-date, independent security advisory.
NVIDIA has newly disclosed three security vulnerabilities in the NVIDIA Shield Television set, which could permit denial of services, escalation of privileges and facts decline.
The NVIDIA Defend Tv set is a established-prime gadget that acts as a hub for the intelligent house, streams Pc online games from a gaming Pc to a Television and lets nearby and on line media playback and streaming. Android game titles suitable with Android Tv set are suitable with the Shield Television set and controller, as are all those from the NVIDIA’s GeoForce market.
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Independently, NVIDIA issued an updated security advisory for a cluster of security bugs in NVIDIA’s online video-welcoming graphics processing device (GPU) Display screen Driver. These could plague Linux avid gamers and other individuals with denial of assistance, escalation of privileges and facts disclosure.
NVIDIA Shield Television Bugs
When it comes to the internet-of-things (IoT) unit regarded as Defend Television set, 1 large-severity bug (CVE‑2021‑1068) exists in the NVDEC element of the gadget, which is a hardware-dependent decoder. It occurs due to the fact an attacker can go through from or write to a memory locale that is outdoors the intended boundary of the buffer, which could guide to denial of services or escalation of privileges. It carries a 7.8 CVSS rating.
The other two bugs are medium-severity. The flaw tracked as CVE‑2021‑1069 exists in the NVHost functionality, and could lead to an irregular reboot due to a null pointer reference, leading to information loss.
An additional, CVE‑2021‑1067 exists in the implementation of the RPMB command standing, in which an attacker can generate to the Produce Secure Configuration Block, which could direct to denial of services or escalation of privileges.
To guard a procedure, buyers can down load and put in a computer software update by means of the update notification that will look on the Dwelling Screen, or by going to Settings>About>System update.
NVIDIA GPU Show Driver Kernel Bugs
Before in January, Nvidia patched flaws tied to 16 CVEs throughout its graphics drivers and vGPU computer software, in its initial security update of 2021. An up-to-date security advisory now consists of the availability of patched Linux drivers for the Tesla line of GPUs, affecting CVE-2021-1052, CVE-2021-1053 and CVE-2021-1056.
Tesla as a line of GPU accelerator boards optimized for superior-efficiency, normal-objective computing. They are applied for parallel scientific, engineering, and technological computing, and they are made for deployment in supercomputers, clusters and workstations.
The patches deal with just one large-severity issue (CVE‑2021‑1052) in the graphics driver, which is the software ingredient that allows a device’s functioning procedure and systems to use NVIDIA’s large-level, gaming- and science-optimized graphics hardware.
uncovered in the Linux kernel manner layer (nvlddmkm.sys) handler for DxgkDdiEscape or IOCTL. Right here, “user-mode clients can obtain legacy privileged APIs, which may possibly lead to denial of assistance, escalation of privileges and information disclosure,” in accordance to the enterprise.
The other two Linux issues fee medium-severity. The first (CVE‑2021‑1053) also influences the kernel manner layer (nvlddmkm.sys) handler for DxgkDdiEscape or IOCTL, in which poor validation of a person pointer may well guide to denial of support.
The next medium bug (CVE‑2021‑1056) is a vulnerability in the kernel manner layer (nvidia.ko) in which it does not wholly honor working program file process permissions to present GPU device-degree isolation, which may direct to denial of services or information disclosure.
Total aspects on all of the GPU vulnerabilities are obtainable in the security bulletin. Patched variations are as follows:
NVIDIA’s Line of Security Bugs
This is not NVIDIA’s 1st patching rodeo.
Previous year, the organization issued its honest share of patches together with fixes for two high-severity flaws in the Windows version of its GeForce Knowledge software package, and a patch for a critical bug in its high-functionality line of DGX servers, both in Oct and a superior-severity flaw in its GeForce NOW application application for Windows in November.
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Some elements of this write-up are sourced from:
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