CVE-2017-5578 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Reference

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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5