CVE-2018-20191

QEMU: pvrdma: uar_read leads to NULL dereference

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Severity

Low

Red Hat Product Security

3.8

CVSS 3.0

Review impact separately from score.

Published · December 11, 2018

Updated · November 22, 2025

Description

hw/rdma/vmw/pvrdma_main.c in QEMU does not implement a read operation (such as uar_read by analogy to uar_write), which allows attackers to cause a denial of service (NULL pointer dereference).

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 · 3.8
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L

CWE-476 · NULL Pointer Dereference