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CVE-2022-0175

16
FAUCET Score

CVE-2022-0175 is a medium-severity information disclosure vulnerability in the VirGL virtual OpenGL renderer (virglrenderer), affecting Red Hat Enterprise Linux and virglrenderer_project products. The flaw stems from improper memory initialization when allocating host-backed memory, allowing a malicious guest to read uninitialized host memory. This local attack requires low privileges and complexity, with a CVSS score of 5.5. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage regarding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.9.0CPE matchmatch criteria
cpe:2.3:a:virglrenderer_project:virglrenderer:0.9.0:*:*:*:*:*:*:*
0.9.1CPE matchmatch criteria
cpe:2.3:a:virglrenderer_project:virglrenderer:0.9.1:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.31%
Probability of exploitation in next 30 days
EPSS Percentile
23.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0031 is in the 80th percentile among its peer group of 15,940 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (9)

debianpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: 18834-17084Fixed in: 0.9.1-3
microsoftpatch availablevia msrc
Product: azl3 virglrenderer 0.9.1-3 on Azure Linux 3.0Fixed in: 0.9.1-3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 x64Fixed in: 0.9.1-3
microsoftpatch availablevia msrc
Product: Azure Linux 3.0 ARMFixed in: 0.9.1-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 x64Fixed in: 0.9.1-3
microsoftpatch availablevia msrc
Product: CBL Mariner 2.0 ARMFixed in: 0.9.1-3
redhatpatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 8 Advanced VirtualizationFixed in: virt:8.2/virglrenderer

Vendor Advisories (3)

microsoft2024-Jun/CVE-2022-0175

CVE-2022-0175

Jun 11, 2024
microsoft2022-Aug/CVE-2022-0175Moderate

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.

Aug 9, 2022
redhatCVE-2022-0175Moderate

virglrenderer: memory initialization issue in vrend_resource_alloc_buffer() can lead to info leak

Dec 14, 2021

References

access.redhat.com / security/cve/CVE-2022-0175
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
gitlab.freedesktop.org / virgl/virglrenderer/-/commit/b05bb61f454eeb8a85164c8a31510aeb9d79129c
PatchThird Party Advisory
gitlab.freedesktop.org / virgl/virglrenderer/-/merge_requests/654
PatchThird Party Advisory
security.gentoo.org / glsa/202210-05
Third Party Advisory
security-tracker.debian.org / tracker/CVE-2022-0175
PatchThird Party Advisory