CVE-2016-1568 Information

Description

Use-after-free vulnerability in hw/ide/ahci.c in QEMU when built with IDE AHCI Emulation support allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via an invalid AHCI Native Command Queuing (NCQ) AIO command.

CVSS Vector

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

Reference

http://git.qemu.org/?p=qemu.git;a=commit;h=4ab0359a8ae182a7ac5c99609667273167703fab http://rhn.redhat.com/errata/RHSA-2016-0084.html http://rhn.redhat.com/errata/RHSA-2016-0086.html http://rhn.redhat.com/errata/RHSA-2016-0087.html http://rhn.redhat.com/errata/RHSA-2016-0088.html http://www.debian.org/security/2016/dsa-3469 http://www.debian.org/security/2016/dsa-3470 http://www.debian.org/security/2016/dsa-3471 http://www.openwall.com/lists/oss-security/2016/01/09/1 http://www.openwall.com/lists/oss-security/2016/01/09/2 http://www.securityfocus.com/bid/80191 http://www.securitytracker.com/id/1034859 https://security.gentoo.org/glsa/201602-01

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

CHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8