CVE-2022-0175

MEDIUM

VirGL - Info Disclosure

Title source: llm

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.

References (6)

[Third Party Advisory] https://access.redhat.com/security/cve/CVE-2022-0175

[Issue Tracking, Patch, Third Party Advisory] https://bugzilla.redhat.com/show_bug.cgi?id=2039003

[Patch, Third Party Advisory] https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a85164c8a31510aeb9d79129c

[Patch, Third Party Advisory] https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654

[Patch, Third Party Advisory] https://security-tracker.debian.org/tracker/CVE-2022-0175

[Third Party Advisory] https://security.gentoo.org/glsa/202210-05

Scores

CVSS v3 5.5

EPSS 0.0013

EPSS Percentile 32.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Classification

CWE

CWE-909

Status published

Affected Products (3)

virglrenderer_project/virglrenderer

virglrenderer_project/virglrenderer

redhat/enterprise_linux

Timeline

Published Aug 26, 2022

Tracked Since Feb 18, 2026