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Fencer Vulns
medium 6.1

CVE-2022-33972 json

Incorrect calculation in microcode keying mechanism for some 3rd Generation Intel(R) Xeon(R) Scalable Processors may allow a privileged use…

published 2023-02-16 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-37008

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 12%
public exploits
0
none known

Summary

Incorrect calculation in microcode keying mechanism for some 3rd Generation Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable information disclosure via local access.

Patch / fix

  • intel-microcode Debian 14, Debian 13, Debian 12 3.20230214.1

debian advisories DEBIAN-CVE-2022-33972

  • intel-microcode Ubuntu 18.04 LTS 3.20230214.0ubuntu0.18.04.1
  • intel-microcode Ubuntu 20.04 LTS 3.20230214.0ubuntu0.20.04.1
  • intel-microcode Ubuntu 22.04 LTS 3.20230214.0ubuntu0.22.04.1
  • intel-microcode Ubuntu Pro 16.04 LTS 3.20230214.0ubuntu0.16.04.1+esm1

ubuntu advisories UBUNTU-CVE-2022-33972

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ucode-intel SLE Real Time 15 SP3, SLE Module for Basesystem 15 SP5, SLE Module for Basesystem 15 SP4 +18 more 20230512-150200.24.1
  • ucode-intel SLES for SAP 12 SP4, SLES 12 SP4-LTSS, SLES 12 SP4-ESPOS +3 more 20230512-13.107.1
  • ucode-intel SLES for SAP 12 SP5, SLES 12 SP5 20230512-3.52.1
  • ucode-intel SLES for SAP 15 SP1, SLES 15 SP1-LTSS, SLE High Performance Computing 15 SP1-LTSS 20230512-150100.3.220.1

suse advisories SUSE-SU-2023:2243-2SUSE-SU-2023:2290-1SUSE-SU-2023:2289-1SUSE-SU-2023:2244-1SUSE-SU-2023:2243-1

  • ucode-intel openSUSE Tumbleweed 20230214-2.1

opensuse advisories openSUSE-SU-2024:12806-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-33972 updated cvss 6.1

kernel: Intel firmware update for incorrect calculation in microcode keying mechanism

  • Red Hat Enterprise Linux 6 microcode_ctl
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 microcode_ctl
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux 8 microcode_ctl Red Hat Enterprise Linux 9 microcode_ctl
    affected: no fix available
  • Red Hat Virtualization 4 redhat-virtualization-host-image-update
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.1 CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N
NVD 3.1 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected products

  • n/a 3rd Generation Intel(R) Xeon(R) Scalable Processors

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.