CVE-2022-0175
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.
| Software | From | Fixed in |
|---|---|---|
| virglrenderer_project / virglrenderer | 0.9.1 | 0.9.1.x |
| virglrenderer_project / virglrenderer | 0.9.0 | 0.9.0.x |
| redhat / enterprise_linux | 8.0 | 8.0.x |
- https://access.redhat.com/security/cve/CVE-2022-0175
- https://bugzilla.redhat.com/show_bug.cgi?id=2039003
- https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a85164c8a31510aeb9d79129c
- https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654
- https://security-tracker.debian.org/tracker/CVE-2022-0175
- https://security.gentoo.org/glsa/202210-05
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