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TI-2022-05533 Aliases CVE-2022-21127GHSA-q9qj-gqmf-73c2

Incomplete cleanup in specific special register read operations for some Intel(R)…

Priority LOW 33CWE-459Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Partial Red Hat: 4 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA, Red Hat and Microsoft.

Summary

Incomplete cleanup in specific special register read operations for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0551 92nd percentileScored 2026-11-07
Fix Partial Microsoft: 1 updateRed Hat: 4 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

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

Affected products

VendorProductAffected versionsFixed inStatusSource
—Intel(R) ProcessorsSee references—No fix listedCNA
  • Intel(R) Processors Vendor— Affected See references Fixed in — No fix listed CNA

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:*all versionsVulnerableXen
cpe:2.3:a:intel:sgx_dcap:*:*:*:*:*:linux:*:*before 1.14.100.3VulnerableIntel
cpe:2.3:a:intel:sgx_dcap:*:*:*:*:*:windows:*:*before 1.14.100.3VulnerableIntel
cpe:2.3:a:intel:sgx_psw:*:*:*:*:*:windows:*:*before 2.16.100.3VulnerableIntel
cpe:2.3:a:intel:sgx_psw:*:*:*:*:*:linux:*:*before 2.17.100.3VulnerableIntel
cpe:2.3:a:intel:sgx_sdk:*:*:*:*:*:windows:*:*before 2.16.100.3VulnerableIntel
cpe:2.3:a:intel:sgx_sdk:*:*:*:*:*:linux:*:*before 2.17.100.3VulnerableIntel
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
  • cpe:2.3:o:xen:xen:*:*:*:*:*:*:x86:* Versions all versions Vulnerable ·Xen
  • cpe:2.3:a:intel:sgx_dcap:*:*:*:*:*:linux:*:* Versions before 1.14.100.3 Vulnerable ·Intel
  • cpe:2.3:a:intel:sgx_dcap:*:*:*:*:*:windows:*:* Versions before 1.14.100.3 Vulnerable ·Intel
  • cpe:2.3:a:intel:sgx_psw:*:*:*:*:*:windows:*:* Versions before 2.16.100.3 Vulnerable ·Intel
  • cpe:2.3:a:intel:sgx_psw:*:*:*:*:*:linux:*:* Versions before 2.17.100.3 Vulnerable ·Intel
  • cpe:2.3:a:intel:sgx_sdk:*:*:*:*:*:windows:*:* Versions before 2.16.100.3 Vulnerable ·Intel
  • cpe:2.3:a:intel:sgx_sdk:*:*:*:*:*:linux:*:* Versions before 2.17.100.3 Vulnerable ·Intel
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian

Remediation

Microsoft 1 update

  • ADV220002 Released 2022-06-14
    Microsoft Guidance on Intel Processor MMIO Stale Data Vulnerabilities

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix yet
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat Enterprise Linux 9AffectedNo fix yet

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-21127
  2. 2026-10-03 Alias added: GHSA-q9qj-gqmf-73c2

References

Patch 2

Advisory 2

Sources

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