CVE-2023-1544

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

Published Mar 23, 2023 CVSS 3.1 · 6 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4144-1 qemu security update
EUVD EUVD EUVD-2023-23779 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.
Ubuntu USN Ubuntu USN USN-6567-1 QEMU vulnerabilities
History
Type Values Removed Values Added
First Time appeared Qemu rdma
CPEs cpe:2.3:a:qemu:rdma:*:*:*:*:*:*:*:*
Vendors & Products Qemu rdma
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fedora
Published
Updated
Nov 3, 2025, 7:27 PM
Reserved
Mar 21, 2023, 12:00 AM
Status
Modified
Published
Mar 23, 2023, 8:15 PM
Modified
Jun 17, 2026, 5:28 AM
Severity
Low
Public date
Feb 27, 2023, 12:00 AM