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CVE-2017-5856 Detail

Description

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.


Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  6.5 MEDIUM
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink 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 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-401 Missing Release of Memory after Effective Lifetime cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

7 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-5856
NVD Published Date:
03/16/2017
NVD Last Modified:
02/12/2023
Source:
Red Hat, Inc.