VULNERABILITY INTELLIGENCE

CVE-2021-3545

CVSS score6.5 MEDIUM
EPSS probability0.42%
CISA KEVNot currently listed
Published2021-06-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

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.

Weakness classification

  • CWE-908: Use of Uninitialized Resource

Primary references