CVE-2021-3544: Debian Linux
Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.
Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.
Affected products
Published 2021-06-02. Last modified 2026-06-17.