CVE-2024-42040HighMicrosoft CVSS 8.1CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Microsoft advisory for CVE-2024-42040

Published
September 4, 2025
Last Modified
—

🔗 CVE IDs covered (1)

📋 Microsoft's advisory

EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-42040. This page also shows what EchelonGraph holds for CVE-2024-42040, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.

🎯 Affected products3

  • azl3 qemu 8.2.0-16 on Azure Linux 3.0
  • cbl2 qemu 6.2.0-24 on CBL Mariner 2.0
  • cbl2 qemu 6.2.0-24 on CBL-Mariner 2.0

🧭 EchelonGraph on CVE-2024-42040

EchelonGraph score
8.1 HIGH
CISA KEV
Not listed
Fix status
A fix is available — apply it.

Description from the CVE record (CVE.org), as published by its numbering authority

Buffer Overflow vulnerability in the net/bootp.c in DENEX U-Boot from its initial commit in 2002 (3861aa5) up to today on any platform allows an attacker on the local network to leak memory from four up to 32 bytes of memory stored behind the packet to the network depending on the later use of DHCP-provided parameters via crafted DHCP responses.

Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2024-42040, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).

🔗 References (1)