CVE-2017-5856

Memory leak in the megasas_handle_dcmd function in hw/scsi/megasas.c in QEMU (aka Quick Emulator) allows local guest OS privileged users to cause a denial of service (host memory consumption) via MegaRAID Firmware Interface (MFI) commands with the sglist size set to a value over 2 Gb.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

6.5^/10

CVSS v3 : 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
http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=765a707000e838c30b18d712fe6cb3dd8e0435f3
http://www.openwall.com/lists/oss-security/2017/02/01/19	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2017/02/02/14	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/95999	Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1418342	Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html	Third Party Advisory
https://security.gentoo.org/glsa/201702-28	Third Party Advisory

Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-03-16 15:59

Updated : 2023-02-12 23:29

NVD link : CVE-2017-5856

Mitre link : CVE-2017-5856

CVE.ORG link : CVE-2017-5856

JSON object : View

Products Affected

debian

debian_linux

qemu

qemu

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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