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TI-2023-08831 Aliases CVE-2023-22655GHSA-hv2r-vh4p-hqmp

Protection mechanism failure in 3rd and 4th Generation Intel Xeon Processors when using…

Priority LOW 29CWE-693Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
Low · High · None
Fix status
Partial Red Hat: 1 fixed, 3 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-693.

Summary

Protection mechanism failure in some 3rd and 4th Generation Intel(R) Xeon(R) Processors when using Intel(R) SGX or Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00247 16th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 3 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—3rd and 4th Generation Intel(R) Xeon(R) Processors when using Intel(R) SGX or Intel(R) TDXSee references—No fix listedCNA
  • 3rd and 4th Generation Intel(R) Xeon(R) Processors when using Intel(R) SGX or Intel(R) TDX Vendor— Affected See references Fixed in — No fix listed CNA

CPE names CISA-ADP · 11

CPEVersionsRoleVendor
cpe:2.3:a:intel:3rd_gen_intel_xeon_scalable_processor_family:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:xeon_d_processor:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:4th_generation_intel_xeon_platinum_processors:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:4th_generation_intel_xeon_gold_processors:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:4th_gen_intel_xeon_scalable_processors:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:4th_gen_intel_xeon_platinum_processors:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:4th_gen_intel_xeon_gold_processors:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:4th_gen_intel_xeon_silver_processors:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:4th_gen_intel_xeon_bronze_processors:*:*:*:*:*:*:*:*——Intel
cpe:2.3:h:intel:xeon_cpu_max_series_processors:*:*:*:*:*:*:*:*——Intel
  • cpe:2.3:a:intel:3rd_gen_intel_xeon_scalable_processor_family:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:xeon_d_processor:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:4th_generation_intel_xeon_platinum_processors:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:4th_generation_intel_xeon_gold_processors:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:4th_gen_intel_xeon_scalable_processors:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:4th_gen_intel_xeon_platinum_processors:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:4th_gen_intel_xeon_gold_processors:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:4th_gen_intel_xeon_silver_processors:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:4th_gen_intel_xeon_bronze_processors:*:*:*:*:*:*:*:* Versions — — ·Intel
  • cpe:2.3:h:intel:xeon_cpu_max_series_processors:*:*:*:*:*:*:*:* Versions — — ·Intel
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:h:intel:4th_gen_intel_xeon_scalable_processors_with_intel_vran:*:*:*:*:*:*:*:*——Intel
  • cpe:2.3:h:intel:4th_gen_intel_xeon_scalable_processors_with_intel_vran:*:*:*:*:*:*:*:* Versions — — ·Intel

Remediation

Red Hat 1 advisory

  • RHSA-2024:9401 Released 2024-11-12 · Red Hat rating Moderate
    microcode_ctl security update
    • Red Hat Enterprise Linux BaseOS (v. 9) microcode_ctl-4:20240910-1.el9_5

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat Enterprise Linux BaseOS (v. 9)Fixed RHSA-2024:9401
Not affected: 4 products
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-22655
  2. 2026-10-03 Alias added: GHSA-hv2r-vh4p-hqmp

References

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences