Is CVE-2023-23583 in the CISA KEV catalog?

No. CVE-2023-23583 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-23583?

CVE-2023-23583 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-23583?

CVE-2023-23583 has an EPSS score of 1.73% (75th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-23583?

Upgrade intel-microcode on debian 11 to 3.20231114.1~deb11u1 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2023-23583

HIGHEPSS 75th pctl

8.8

CVSS v3

NVD

Description

Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service via local access.

CWE-1281 CWE-276

How to fix

Remediation Available

intel-microcodeDebian

Fixed in:3.20231114.1~deb11u1CVE-2023-23583

Fixed in:3.20231114.1~deb12u1CVE-2023-23583

Fixed in:3.20231114.1CVE-2023-23583

intel-microcodeUbuntu

Fixed in:3.20231114.0ubuntu0.16.04.1+esm1USN-6485-1

Fixed in:3.20231114.0ubuntu0.18.04.1+esm1USN-6485-1

Fixed in:3.20231114.0ubuntu0.20.04.1USN-6485-1

Fixed in:3.20231114.0ubuntu0.22.04.1USN-6485-1

Fixed in:3.20231114.0ubuntu0.23.04.1USN-6485-1

Fixed in:3.20231114.0ubuntu0.23.10.1USN-6485-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Exploit Intelligence

1.73%probability of exploitation in 30 days

75thpercentile

Elevated risk: more likely to be exploited than 75% of all known CVEs.

References

Vendor Advisory1

intel.com

Third-Party Advisory6

Mailing List2

Other references1

lists.debian.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-01-07.