SB2024082036 - Privilege escalation in Intel Processor Microcode Package for Linux
Published: August 20, 2024
Security Bulletin ID
SB2024082036
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper isolation or compartmentalization (CVE-ID: CVE-2023-42667)
CWE-ID: CWE-653 - Improper isolation or compartmentalization
CVSSv4: 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
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.
Remediation
Install update from vendor's website.