CVE-2022-0175
MEDIUMvirglrenderer - Information Disclosure via Uninitialized Memory in Host-Backed Resource Allocation
Title source: llmDescription
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)
Core 6
Core References
Third Party Advisory vendor-advisory
https://security.gentoo.org/glsa/202210-05
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
Scores
CVSS v3
5.5
EPSS
0.0031
EPSS Percentile
22.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-909
Status
published
Products (3)
redhat/enterprise_linux
8.0
virglrenderer_project/virglrenderer
0.9.0
virglrenderer_project/virglrenderer
0.9.1
Published
Aug 26, 2022
Tracked Since
Feb 18, 2026