CVE-2023-1544

Aliases:DEBIAN-CVE-2023-1544
Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 23 Mar 2023, 00:00
Last modified:03 Nov 2025, 19:27

Vulnerability Summary

Overall Risk (default)
medium
25/100
CVSS Score
6.3 MEDIUM
v3.1 (nvd)
EPSS Score
0.31% LOW
0% probability +0.25%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Mar 2023, 00:00
Published
Vulnerability first disclosed
03 Nov 2025, 19:27
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 6CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
  • v3.1•MEDIUM•Score: 6.3CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.31%• Percentile: 24%

Techniques & Countermeasures

  • CWE-125•Out-of-bounds Read

    The product reads data past the end, or before the beginning, of the intended buffer.

  • CWE-770•Allocation of Resources Without Limits or Throttling

    The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Affected Systems

  • debian•qemu

    < 1:5.2+dfsg-11+deb11u4 | < 1:7.2+dfsg-7+deb12u3 | < 1:8.2.0+ds-1 | < 1:8.2.0+ds-1

  • fedoraproject•fedora

    37

  • qemu•qemu

    ≤ 7.2.0

References (6)