CVE-2018-16847 Information

Description

An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/105866 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847 https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.html https://usn.ubuntu.com/3826-1/ https://www.openwall.com/lists/oss-security/2018/11/02/1

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8