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.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (13.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-42667: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Intel(r) Core(tm) Ultra Processor Stream Cache Mechanism — versions See references

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.