CVE-2025-61101HighMicrosoft CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P

Microsoft security update for CVE-2025-61101

Published
November 2, 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-2025-61101. This page also shows what EchelonGraph holds for CVE-2025-61101, 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 products6

  • azl3 frr 9.1.1-3 on Azure Linux 3.0
  • azl3 frr 9.1.1-4 on Azure Linux 3.0
  • azl3 frr 9.1.1-5 on Azure Linux 3.0
  • cbl2 frr 8.5.5-3 on CBL Mariner 2.0
  • cbl2 frr 8.5.5-4 on CBL Mariner 2.0
  • cbl2 frr 8.5.5-5 on CBL Mariner 2.0

✅ Updates Microsoft lists: 2 updates

2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.

KB articleUpdateFixed build
—Security Update8.5.5-5
—Security Update9.1.1-5

🧭 EchelonGraph on CVE-2025-61101

EchelonGraph score
7.5 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

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_rmt_itf_addr function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted OSPF packet.

Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2025-61101, 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 (2)