Astra Linux – Vulnerability in Linux

A issue was discovered in the Linux kernel versions 3.2 through 5.10.16, as used by Xen. Grant mapping operations often occur during batch hypercalls, where multiple operations are performed in a single hypercall. The success or failure of each operation is reported to the backend driver, and the...

UBUNTU-CVE-2022-50257

In the Linux kernel, the following vulnerability has been resolved: xen/gntdev: Prevent leaking grants Prior to this commit, if a grant mapping operation failed partially, some of the entries in the mapops array would be invalid, whereas all of the entries in the kmapops array would be valid. Thi...