CVE - CVE-2016-1922

CVE-ID
CVE-2016-1922	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
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.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:81058 URL:http://www.securityfocus.com/bid/81058 MISC:DSA-3469 URL:http://www.debian.org/security/2016/dsa-3469 MISC:DSA-3470 URL:http://www.debian.org/security/2016/dsa-3470 MISC:DSA-3471 URL:http://www.debian.org/security/2016/dsa-3471 MISC:GLSA-201604-01 URL:https://security.gentoo.org/glsa/201604-01 MISC:[oss-security] 20160116 CVE request Qemu: i386: null pointer dereference in vapic_write URL:http://www.openwall.com/lists/oss-security/2016/01/16/1 MISC:[oss-security] 20160116 Re: CVE request Qemu: i386: null pointer dereference in vapic_write URL:http://www.openwall.com/lists/oss-security/2016/01/16/6 MISC:[qemu-devel] 20160115 [PULL] i386: avoid null pointer dereference URL:https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg02812.html MISC:https://bugzilla.redhat.com/show_bug.cgi?id=1283934 URL:https://bugzilla.redhat.com/show_bug.cgi?id=1283934
Assigning CNA
Red Hat, Inc.
Date Record Created
20160116	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20160116)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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