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CVE-2018-16847

QEMU: nvme: Out-of-bounds r/w buffer access in cmb operations

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Severity

Important

Red Hat Product Security

7

CVSS 3.0

Review impact separately from score.

Published · November 1, 2018

Updated · November 22, 2025

Description

An out-of-bounds 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 a nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in denial of service or, potentially, run arbitrary code with privileges of the QEMU process.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 7
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H

CWE-787 · Out-of-bounds Write