Improper isolation or compartmentalization in Intel Processor Microcode Package for Linux - CVE-2023-42667
Published: August 20, 2024
Vulnerability identifier: #VU96257
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-42667
CWE-ID: CWE-653
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Intel
Affected software:
Intel Processor Microcode Package for Linux
Intel Processor Microcode Package for Linux
Detailed vulnerability description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to improper isolation in the Intel Core Ultra Processor stream cache mechanism. A local user can execute arbitrary code with elevated privileges.
How to mitigate CVE-2023-42667
Install updates from vendor's website.