What is CVE-2023-42667?

CVE-2023-42667 is a high-severity vulnerability in Intel(r) Core(tm) Ultra Processor Stream Cache Mechanism, classified under CWE-1189. CVSS score: 7.8/10. Published 2024-08-14.

How severe is CVE-2023-42667?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2023-42667 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Intel(r) Core(tm) Ultra Processor Stream Cache Mechanism

CVE-2023-42667

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.

EPSS: 0.000 (13.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

N/a Intel(r) Core(tm) Ultra Processor Stream Cache Mechanism — versions See references

Weakness classification (CWE)

CWE-1189

Public proof-of-concept exploits

EGI-Federation/SVG-advisories

References

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01038.html

Frequently asked questions

What is CVE-2023-42667?: CVE-2023-42667 is a high-severity vulnerability in Intel(r) Core(tm) Ultra Processor Stream Cache Mechanism, classified under CWE-1189. CVSS score: 7.8/10. Published 2024-08-14.
How severe is CVE-2023-42667?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2023-42667 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.