CVE-2021-4048CriticalMicrosoft CVSS 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Microsoft security update for CVE-2021-4048

Published
December 14, 2021
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-2021-4048. This page also shows what EchelonGraph holds for CVE-2021-4048, 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

  • cbl2 lapack 3.10.0-6 on CBL Mariner 2.0
  • cbl2 openblas 0.3.21-1 on CBL Mariner 2.0
  • cm1 lapack 3.8.0-4 on CBL Mariner 1.0

✅ Updates Microsoft lists: 3 updates

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

KB articleUpdateFixed build
—Security Update3.8.0-4
—Security Update0.3.21-1
—Security Update3.10.0-6

🧭 EchelonGraph on CVE-2021-4048

EchelonGraph score
9.1 CRITICAL
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

An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.0, as also used in OpenBLAS before version 0.3.18. Specially crafted inputs passed to these functions could cause an application using lapack to crash or possibly disclose portions of its memory.

Published by Red Hat, Inc., the CVE Numbering Authority that assigned CVE-2021-4048, 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)