MSRKit

MSRKit A tool for calling kernel functions and mapping drivers via a ROP chain through a wrmsr primitive in a vulnerable driver AmdTools64.sys. How it works 1. Loads AmdTools64.sys via NtLoadDriver falls back to PnP devnode + GUID-based device interface if the symlink is unavailable 2. Reads...

Updated kernel packages fix security vulnerabilities

This kernel update is based on upstream 5.10.19 and fixes at least the following security issues: An information disclosure vulnerability exists in the ARM SIGPAGE functionality of Linux Kernel. A userland application can read the contents of the sigpage, which can leak kernel memory contents. An...

Code injection

An issue was discovered in the Linux kernel 3.11 through 5.10.16, as used by Xen. To service requests to the PV backend, the driver maps grant references provided by the frontend. In this process, errors may be encountered. In one case, an error encountered earlier might be discarded by later...