CVE-2023-1544 MEDIUM

CVE-2023-1544: Qemu: pvrdma: out-of-bounds read in pvrdma_ring_next_elem_read()

Weakness CWE-125
Published March 23, 2023
Last update November 3, 2025
View on NVD All CVEs

CVSS base score

6.0/10
Attack vector Local
Attack complexity Low
Privileges required High
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device. This flaw allows a crafted guest driver to allocate and initialize a huge number of page tables to be used as a ring of descriptors for CQ and async events, potentially leading to an out-of-bounds read and crash of QEMU.

Key dates

02Disclosure timeline

March 23, 2023 CVE published
November 3, 2025 Record updated