Google Android 安全漏洞

Google Android is a Linux-based open source operating system from Google, Inc. Google Android suffers from a security vulnerability that originates from a vulnerability in the PowerVR-GPU component of Imagination Technologies...

ASB-A-232441339

The PowerVR GPU driver allows unprivileged apps to allocated pinned memory, unpin it which makes it available to be freed, and continue using the page in GPU calls. No privileges required and this results in kernel memory corruption...

Unspecified vulnerability in Linux kernel PowerVR GPU kernel driver

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the PowerVR GPU kernel driver for the Linux kernel, which can be exploited by an attacker to overwrite heap memory via physmemnewrambackeddpm...

CVE-2021-31795

The CVE-2021-31795 entry covers the PowerVR GPU kernel driver (pvrsrvkm.ko) in the Linux kernel used on Alcatel 1S devices. The issue is a heap-memory overwrite via PhysmemNewRamBackedPMR in pvrsrvkm.ko up to 2021-04-24. Several vendors (Red Hat, SUSE, CNVD, CVE lists) document the same flaw. Att...