CVE-2022-0175 Information

Description

A flaw was found in the VirGL virtual OpenGL renderer (virglrenderer). The virgl did not properly initialize memory when allocating a host-backed memory resource. A malicious guest could use this flaw to mmap from the guest kernel and read this uninitialized memory from the host possibly leading to information disclosure.

Reference

https://security-tracker.debian.org/tracker/CVE-2022-0175 https://bugzilla.redhat.com/show_bug.cgi?id=2039003 https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654 https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a85164c8a31510aeb9d79129c https://access.redhat.com/security/cve/CVE-2022-0175