5.5

RHBA-2022:8351: microcode_ctl Red Hat

Published
Published 10-12-2025Last modified 29-06-2026

Vulnerability summary

RHBA-2022:8351 is a medium (CVSS 5.5) vulnerability in microcode_ctl Red Hat.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (OSV · Red hat), selected by version preference
EPSS scoreNot scoredRisk metrics not yet published.
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 4 · Downstream 0
CVE-2022-0005CVE-2022-21136CVE-2022-21151CVE-2022-21166

Timeline

  1. 10-12-2025
    PublishedVulnerability first disclosed.
  2. 29-06-2026
    Last modifiedVulnerability information updated.

Description

Red Hat Bug Fix Advisory: microcode_ctl bug fix and enhancement update

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Redhat1 product
  • microcode_ctl< 4:20220809-1.el9

1 vendor · 1 product

References

23 links
Show all 23 references