Vulnerability Report

CVE-2022-0175

Title: VirGL Uninitialized Memory Info Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2022-0175.

CWE Category CWE-909

Published Date Aug 26, 2022

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 5.5 CVSS v3.1

Exploit Probability (EPSS)

0.12%

Vulnerability Summary

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.

Impacted Vendors

freedesktop 1

virglrenderer_project 1

Reference Links

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 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

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.5

Attack Vector

LOCAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-0175 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

August 26, 2022 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.