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CVE-2022-33972· NVD / CVE Program· CNA intel

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

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.

MediumCVSS 4.4 · v3.1—No exploit Fix available

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Published
Feb 16, 2023
Updated
Jun 17, 2026
EPSS
0.2% · 11th percentile
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Report tools

JSON

Action score

17

Monitor

Low priority for now.

CVSS
17 / 40 · 4.4 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
4.4
CNA · intel
6.1
1.7 point gap

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

VendorProduct
intelxeon gold 5315y firmware
intelxeon gold 5315y
intelxeon gold 5317 firmware
intelxeon gold 5317
intelxeon gold 5318n firmware
intelxeon gold 5318n
intelxeon gold 5318s firmware
intelxeon gold 5318s
intelxeon gold 5318y firmware
intelxeon gold 5318y
intelxeon gold 5320 firmware
intelxeon gold 5320

and 94 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • intel xeon gold 5315y firmwareall versions
  • intel xeon gold 5317 firmwareall versions
  • intel xeon gold 5318h firmwareall versions
  • intel xeon gold 5318n firmwareall versions
  • intel xeon gold 5318s firmwareall versions
  • intel xeon gold 5318y firmwareall versions
  • intel xeon gold 5320 firmwareall versions
  • intel xeon gold 5320h firmwareall versions
  • intel xeon gold 5320t firmwareall versions
  • intel xeon gold 6312u firmwareall versions
  • intel xeon gold 6314u firmwareall versions
  • intel xeon gold 6326 firmwareall versions
  • intel xeon gold 6328h firmwareall versions
  • intel xeon gold 6328hl firmwareall versions
  • intel xeon gold 6330 firmwareall versions
  • intel xeon gold 6330h firmwareall versions
  • intel xeon gold 6330n firmwareall versions
  • intel xeon gold 6334 firmwareall versions
  • intel xeon gold 6336y firmwareall versions
  • intel xeon gold 6338 firmwareall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (intel). Independent of NVD's CPE analysis and usually ahead of it.

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

    • See referencesaffected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:10intel-microcodebefore 3.20230214.1~deb10u13.20230214.1~deb10u1
Debian:12intel-microcodebefore 3.20230214.13.20230214.1
openSUSE:Tumbleweeducode-intelbefore 20230214-2.120230214-2.1
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSSucode-intelbefore 20230512-150100.3.220.120230512-150100.3.220.1
SUSE:Linux Enterprise Micro 5.3ucode-intelbefore 20230512-150200.24.120230512-150200.24.1
SUSE:Linux Enterprise Micro 5.3ucode-intelbefore 20230512-150200.24.120230512-150200.24.1
SUSE:Linux Enterprise Server 12 SP5ucode-intelbefore 20230512-3.52.120230512-3.52.1
SUSE:OpenStack Cloud 9ucode-intelbefore 20230512-13.107.120230512-13.107.1

Same product

intel: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-33060Out-of-bounds write in the BIOS firmware for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of pr
    31Monitor
  • CVE-2022-21216Insufficient granularity of access control in out-of-band management in some Intel(R) Atom and Intel Xeon Scalable Processors may allow a pr
    27Monitor
  • CVE-2022-41804Unauthorized error injection in Intel(R) SGX or Intel(R) TDX for some Intel(R) Xeon(R) Processors may allow a privileged user to potentially
    26Monitor
  • CVE-2022-33196Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Gua
    26Monitor
  • CVE-2022-30539Use after free in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege v
    26Monitor
  • CVE-2022-38090Improper isolation of shared resources in some Intel(R) Processors when using Intel(R) Software Guard Extensions may allow a privileged user
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:intel-microcode3.20230214.1 · Debian:12Package registry (OSV)
opensuse:ucode-intel20230512-150200.24.1 · openSUSE:Leap Micro 5.3Package registry (OSV)
suse:ucode-intel20230512-150200.24.1 · SUSE:Linux Enterprise Micro 5.3Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • Administrator privileges are required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
High
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

Weakness class (CWE)

CWE-682 · Incorrect Calculation

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records