CVE-2021-3545
6.5
MEDIUM
CVSS 3.1
EPSS 0.15%
Description
An information disclosure vulnerability was found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. The flaw exists in virgl_cmd_get_capset_info() in contrib/vhost-user-gpu/virgl.c and could occur due to the read of uninitialized memory. A malicious guest could exploit this issue to leak memory from the host.
How to fix CVE-2021-3545
To remediate CVE-2021-3545, upgrade the affected package to a fixed version below.
- —upgrade to 1:5.2+dfsg-11+deb11u1 or later
Is CVE-2021-3545 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1:5.2+dfsg-11+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N |