CVE-2022-0175 — Missing Initialization of Resource in Project Virglrenderer
Severity
5.5MEDIUMNVD
OSV7.8CISA8.0
EPSS
0.1%
top 67.74%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 26
Latest updateAug 27
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6
Affected Packages3 packages
Also affects: Enterprise Linux 8.0
Patches
🔴Vulnerability Details
4GHSA▶
GHSA-28q3-mx7c-4cc3: A flaw was found in the VirGL virtual OpenGL renderer (virglrenderer)↗2022-08-27
CVEList
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📋Vendor Advisories
5Microsoft▶
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↗2022-08-09
Debian▶
CVE-2022-0175: virglrenderer - A flaw was found in the VirGL virtual OpenGL renderer (virglrenderer). The virgl...↗2022
Red Hat▶
virglrenderer: memory initialization issue in vrend_resource_alloc_buffer() can lead to info leak↗2021-12-14