CVE-2017-5578

MEDIUM

Description

Memory leak in the virtio_gpu_resource_attach_backing function in hw/display/virtio-gpu.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_ATTACH_BACKING commands.

References

http://git.qemu.org/?p=qemu.git;a=commit;h=204f01b30975923c64006f8067f0937b91eea68b

http://www.openwall.com/lists/oss-security/2017/01/23/3

http://www.openwall.com/lists/oss-security/2017/01/25/2

http://www.securityfocus.com/bid/95781

https://security.gentoo.org/glsa/201702-28

Details

Source: MITRE

Published: 2017-03-15

Updated: 2019-10-03

Type: CWE-772

Risk Information

CVSS v2.0

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

CVSS v3.0

Base Score: 6.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Impact Score: 4

Exploitability Score: 2

Severity: MEDIUM