CVE-2015-8817 Detail

Current Description

QEMU (aka Quick Emulator) built to use 'address_space_translate' to map an address to a MemoryRegionSection is vulnerable to an OOB r/w access issue. It could occur while doing pci_dma_read/write calls. Affects QEMU versions >= 1.6.0 and <= 2.3.1. A privileged user inside guest could use this flaw to crash the guest instance resulting in DoS.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  5.5 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/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.org/?p=qemu.git;a=commit;h=23820dbfc79d1c9dce090b4c555994f2bb6a69b3 Issue Tracking 
http://git.qemu.org/?p=qemu.git;a=commit;h=c3c1bb99d1c11978d9ce94d1bdcf0705378c1459 Issue Tracking 
http://rhn.redhat.com/errata/RHSA-2016-2670.html
http://rhn.redhat.com/errata/RHSA-2016-2671.html
http://rhn.redhat.com/errata/RHSA-2016-2704.html
http://rhn.redhat.com/errata/RHSA-2016-2705.html
http://rhn.redhat.com/errata/RHSA-2016-2706.html
http://www.openwall.com/lists/oss-security/2016/03/01/1 Mailing List  Patch 
http://www.openwall.com/lists/oss-security/2016/03/01/10 Mailing List  Patch 
https://bugzilla.redhat.com/show_bug.cgi?id=1300771 Issue Tracking 
https://lists.gnu.org/archive/html/qemu-stable/2016-01/msg00060.html Mailing List 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST  
CWE-787 Out-of-bounds Write cwe source acceptance level NIST  

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Change History

2 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2015-8817
NVD Published Date:
12/29/2016
NVD Last Modified:
01/04/2018
Source:
Red Hat, Inc.