CVE & CISA-KEV Catalog

CVE-2023-1544

MEDIUM

6.0

CVSS v3

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.

CWE-125Out-of-bounds Read CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

qemuDebian

Fixed in:1:5.2+dfsg-11+deb11u4CVE-2023-1544

Fixed in:1:7.2+dfsg-7+deb12u3CVE-2023-1544

Fixed in:1:8.2.0+ds-1CVE-2023-1544

Fixed in:1:8.2.0+ds-1CVE-2023-1544

qemuUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-systemUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-armUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-mipsUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-miscUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-ppcUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-s390xUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-sparcUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-x86Ubuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-x86-microvmUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

qemu-system-x86-xenUbuntu

Fixed in:1:4.2-3ubuntu6.28USN-6567-1

Fixed in:1:6.2+dfsg-2ubuntu6.16USN-6567-1

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

qemu-system-xenUbuntu

Fixed in:1:7.2+dfsg-5ubuntu2.4USN-6567-1

Fixed in:1:8.0.4+dfsg-1ubuntu3.23.10.2USN-6567-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.31%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Patch2

Other references3

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-03.