Vulnerability · Published Nov 14, 2023 · Assigned by intel

CVE-2023-23583

High 8.8

In plain English

A high-severity incorrect default permissions in Intel(R) Processors. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)1.3%top 29.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20intel-ucode20231114-r0ALPINE-CVE-2023-23583
Alpine:v3.21intel-ucode20231114-r0ALPINE-CVE-2023-23583
Alpine:v3.22intel-ucode20231114-r0ALPINE-CVE-2023-23583
Alpine:v3.23intel-ucode20231114-r0ALPINE-CVE-2023-23583
Alpine:v3.24intel-ucode20231114-r0ALPINE-CVE-2023-23583
Debian:12intel-microcode3.20231114.1~deb12u1DSA-5563-1
Debian:12intel-microcode3.20231114.1~deb12u1DEBIAN-CVE-2023-23583
Debian:13intel-microcode3.20231114.1DEBIAN-CVE-2023-23583
Debian:14intel-microcode3.20231114.1DEBIAN-CVE-2023-23583
Ubuntu:22.04:LTSintel-microcode3.20231114.0ubuntu0.22.04.1UBUNTU-CVE-2023-23583
Ubuntu:22.04:LTSintel-microcode3.20231114.0ubuntu0.22.04.1USN-6485-1

Affected products (as reported)

VendorProductVersions
n/a Intel(R) Processors See references

Weakness: CWE-1281, CWE-276 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

References