CVE-2023-23583

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.

Affected

Intel(R) Processors

CVSS v3.1 NVD

7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 INTEL

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

EPSS

1.28% chance of exploitation in the next 30 days, 70th percentile

Published

2023-11-14

Updated

2025-12-16

Proof-of-concept exploits (1)

• Mav3r1ck0x1/CVE-2023-23583-Reptar-0★ · 2023-11-24

Security advisories

• https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00950.html
• http://www.openwall.com/lists/oss-security/2023/11/14/4
• http://www.openwall.com/lists/oss-security/2023/11/14/5
• http://www.openwall.com/lists/oss-security/2023/11/14/6
• http://www.openwall.com/lists/oss-security/2023/11/14/7
• https://security.netapp.com/advisory/ntap-20231116-0015
• https://www.debian.org/security/2023/dsa-5563

References

• CVE Record
• NVD entry