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CVE-2022-0175

Date: August 25, 2022

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.

Language: C

Severity Score

Related Resources (9)

https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/654
https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/b05bb61f454eeb8a85164c8a31510aeb9d79129c
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-0175
https://bugzilla.redhat.com/show_bug.cgi?id=2039003
https://nvd.nist.gov/vuln/detail/CVE-2022-0175
https://security-tracker.debian.org/tracker/CVE-2022-0175
https://access.redhat.com/security/cve/CVE-2022-0175
https://security.gentoo.org/glsa/202210-05
https://www.mend.io/vulnerability-database/CVE-2022-0175

Severity Score

Weakness Type (CWE)

Missing Initialization of Resource

CWE-909

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

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