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TI-2023-22770 Aliases CVE-2023-42667GHSA-fc9m-v759-xj58

Improper isolation in the Intel(R) Core(TM) Ultra Processor stream cache mechanism may…

Priority LOW 34CWE-1189Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Improper isolation in the Intel(R) Core(TM) Ultra Processor stream cache mechanism may allow an authenticated user to potentially enable escalation of privilege via local access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00237 14th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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
—Intel(R) Core(TM) Ultra Processor stream cache mechanismSee references—No fix listedCNA
  • Intel(R) Core(TM) Ultra Processor stream cache mechanism Vendor— Affected See references Fixed in — No fix listed CNA

CPE names CISA-ADP · 1

CPEVersionsRoleVendor
cpe:2.3:h:intel:core_ultra_processor:*:*:*:*:*:*:*:*——Intel
  • cpe:2.3:h:intel:core_ultra_processor:*:*:*:*:*:*:*:* Versions — — ·Intel

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-42667
  2. 2026-10-03 Alias added: GHSA-fc9m-v759-xj58

References

Sources