CVE-2016-2197

MEDIUM

Qemu < 2.5.1.1 - NULL Pointer Dereference

Title source: rule

Description

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.

References (6)

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/01/29/2

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/01/30/1

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/82235

[Issue Tracking] https://bugzilla.redhat.com/show_bug.cgi?id=1302057

[Patch, Vendor Advisory] https://lists.gnu.org/archive/html/qemu-devel/2016-01/msg05742.html

[Third Party Advisory] https://security.gentoo.org/glsa/201604-01

Scores

CVSS v3 5.5

EPSS 0.0011

EPSS Percentile 29.5%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-476

Status published

Affected Products (2)

qemu/qemu < 2.5.1.1

n/a/n/a

Timeline

Published Dec 29, 2016

Tracked Since Feb 18, 2026