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NVD Vulnerability Details :
CVE-2016-1922
Modified
More InfoOfficial Page
Source-secalert@redhat.com
View Known Exploited Vulnerability (KEV) details
Published At-29 Dec, 2016 | 22:59
Updated At-06 May, 2026 | 22:30

QEMU (aka Quick Emulator) built with the TPR optimization for 32-bit Windows guests support is vulnerable to a null pointer dereference flaw. It occurs while doing I/O port write operations via hmp interface. In that, 'current_cpu' remains null, which leads to the null pointer dereference. A user or process could use this flaw to crash the QEMU instance, resulting in DoS issue.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary2.02.1LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P
Type: Primary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 2.1
Base severity: LOW
Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CPE Matches
QEMU
qemu
>>qemu>>Versions up to 2.5.1.1(inclusive)
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>7.0
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>8.0
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-476Primarynvd@nist.gov
CWE ID: CWE-476
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
http://www.debian.org/security/2016/dsa-3469secalert@redhat.com
Third Party Advisory
http://www.debian.org/security/2016/dsa-3470secalert@redhat.com
Third Party Advisory
http://www.debian.org/security/2016/dsa-3471secalert@redhat.com
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/16/1secalert@redhat.com
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/16/6secalert@redhat.com
Mailing List
Third Party Advisory
http://www.securityfocus.com/bid/81058secalert@redhat.com
Third Party Advisory
VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1283934secalert@redhat.com
Issue Tracking
Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.htmlsecalert@redhat.com
Patch
Vendor Advisory
https://security.gentoo.org/glsa/201604-01secalert@redhat.com
Third Party Advisory
http://www.debian.org/security/2016/dsa-3469af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2016/dsa-3470af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.debian.org/security/2016/dsa-3471af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/16/1af854a3a-2127-422b-91ae-364da2661108
Mailing List
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/01/16/6af854a3a-2127-422b-91ae-364da2661108
Mailing List
Third Party Advisory
http://www.securityfocus.com/bid/81058af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1283934af854a3a-2127-422b-91ae-364da2661108
Issue Tracking
Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.htmlaf854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
https://security.gentoo.org/glsa/201604-01af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Hyperlink: http://www.debian.org/security/2016/dsa-3469
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: http://www.debian.org/security/2016/dsa-3470
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: http://www.debian.org/security/2016/dsa-3471
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2016/01/16/1
Source: secalert@redhat.com
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2016/01/16/6
Source: secalert@redhat.com
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://www.securityfocus.com/bid/81058
Source: secalert@redhat.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1283934
Source: secalert@redhat.com
Resource:
Issue Tracking
Third Party Advisory
Hyperlink: https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html
Source: secalert@redhat.com
Resource:
Patch
Vendor Advisory
Hyperlink: https://security.gentoo.org/glsa/201604-01
Source: secalert@redhat.com
Resource:
Third Party Advisory
Hyperlink: http://www.debian.org/security/2016/dsa-3469
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: http://www.debian.org/security/2016/dsa-3470
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: http://www.debian.org/security/2016/dsa-3471
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2016/01/16/1
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://www.openwall.com/lists/oss-security/2016/01/16/6
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mailing List
Third Party Advisory
Hyperlink: http://www.securityfocus.com/bid/81058
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1283934
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Issue Tracking
Third Party Advisory
Hyperlink: https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Hyperlink: https://security.gentoo.org/glsa/201604-01
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Change History
0Changes found
Details not found