CVE-2017-5857

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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.0 / Impact : 4.0

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

4.9^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1418382	Issue Tracking Patch
http://www.openwall.com/lists/oss-security/2017/02/02/16	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/02/01/21	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/95993	Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201702-28	Third Party Advisory
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=5e8e3c4c75c199aa1017db816fca02be2a9f8798

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Configurations

Configuration 1 (hide)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Information

Published : 2017-03-16 08:59

Updated : 2023-02-12 15:29

NVD link : CVE-2017-5857

Mitre link : CVE-2017-5857

JSON object : View

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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Products Affected

qemu

qemu

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