CVE-2021-4202Microsoft CVSS 7.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Microsoft security update for CVE-2021-4202 — CBL Mariner

Published
April 8, 2022
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-2021-4202. This page also shows what EchelonGraph holds for CVE-2021-4202, 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 products4

  • CBL Mariner 1.0 ARM
  • CBL Mariner 1.0 x64
  • CBL Mariner 2.0 ARM
  • CBL Mariner 2.0 x64

✅ 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
—CBL-Mariner5.10.111.1-1
—CBL-Mariner5.15.37.1-2

🧭 EchelonGraph on CVE-2021-4202

EchelonGraph score
7.0 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

A use-after-free flaw was found in nci_request in net/nfc/nci/core.c in NFC Controller Interface (NCI) in the Linux kernel. This flaw could allow a local attacker with user privileges to cause a data race problem while the device is getting removed, leading to a privilege escalation problem.

Published by Red Hat, Inc., the CVE Numbering Authority that assigned CVE-2021-4202, 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)