CVE-2022-4543MediumMicrosoft CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Microsoft security update for CVE-2022-4543

Published
September 3, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2022-4543 →

📋 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-2022-4543. This page also shows what EchelonGraph holds for CVE-2022-4543, 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 products25

  • azl3 kernel 6.6.104.2-4 on Azure Linux 3.0
  • azl3 kernel 6.6.112.1-2 on Azure Linux 3.0
  • azl3 kernel 6.6.117.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.119.3-1 on Azure Linux 3.0
  • azl3 kernel 6.6.119.3-3 on Azure Linux 3.0
  • azl3 kernel 6.6.121.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.126.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.130.1-3 on Azure Linux 3.0
  • azl3 kernel 6.6.134.1-2 on Azure Linux 3.0
  • azl3 kernel 6.6.137.1-2 on Azure Linux 3.0
  • azl3 kernel 6.6.138.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.139.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.141.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.143.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.144.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.145.2-1 on Azure Linux 3.0
  • azl3 kernel 6.6.150.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.152.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.157.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.159.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.161.1-1 on Azure Linux 3.0
  • azl3 kernel 6.6.96.2-1 on Azure Linux 3.0
  • azl3 kernel 6.6.96.2-2 on Azure Linux 3.0
  • cbl2 kernel 5.15.182.1-1 on CBL Mariner 2.0
  • cm1 kernel 5.10.189.1-1 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 Update—
—Security Update5.10.189.1-1
—Security Update5.15.182.1-1

🧭 EchelonGraph on CVE-2022-4543

EchelonGraph score
5.5 MEDIUM
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 flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems.

Published by Red Hat, Inc., the CVE Numbering Authority that assigned CVE-2022-4543, 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)