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CVE-2016-2197

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Date: December 29, 2016

QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS.

Language: C

Severity Score

Related Resources (11)

https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05742.html
http://www.openwall.com/lists/oss-security/2016/01/29/2
https://security.gentoo.org/glsa/201604-01
http://www.securityfocus.com/bid/82235
https://nvd.nist.gov/vuln/detail/CVE-2016-2197
https://security-tracker.debian.org/tracker/CVE-2016-2197
https://access.redhat.com/security/cve/CVE-2016-2197
https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2197
https://bugzilla.redhat.com/show_bug.cgi?id=1302057
http://www.openwall.com/lists/oss-security/2016/01/30/1
https://www.mend.io/vulnerability-database/CVE-2016-2197

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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