Memory leak in the virgl_cmd_resource_unref function in hw/display/virtio-gpu-3d.c in QEMU (aka Quick Emulator) allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRTIO_GPU_CMD_RESOURCE_UNREF commands sent without detaching the backing storage beforehand.
https://bugzilla.redhat.com/show_bug.cgi?id=1418382
http://www.openwall.com/lists/oss-security/2017/02/02/16
http://www.openwall.com/lists/oss-security/2017/02/01/21
http://www.securityfocus.com/bid/95993
https://security.gentoo.org/glsa/201702-28
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=5e8e3c4c75c199aa1017db816fca02be2a9f8798
Source: MITRE
Published: 2017-03-16
Updated: 2023-02-12
Type: CWE-401
Base Score: 4.9
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.9
Severity: MEDIUM
Base Score: 6.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 2
Severity: MEDIUM