CVE-2021-3545: Debian Linux
Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.
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.
Affected products
Published 2021-06-02. Last modified 2026-06-17.