Privilege escalation in Intel Processor Stream Cache

1) Improper isolation or compartmentalization

EUVDB-ID: #VU96240

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-49141

CWE-ID: CWE-653 - Improper isolation or compartmentalization

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to an improper isolation in some Intel Processors stream cache mechanism. A local user can execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

4th Generation Intel Xeon Scalable Processors: All versions

4th Generation Intel Xeon Platinum processors: All versions

4th Generation Intel Xeon Gold Processors: All versions

4th Generation Intel Xeon Silver Processors: All versions

4th Generation Intel Xeon Bronze Processors: All versions

Intel Xeon CPU Max Series processors (High Bandwidth Memory HBM): All versions

4th Generation Intel Xeon Edge Enhanced Processors: All versions

Intel Xeon Scalable Processors with Intel vRAN: All versions

Intel Xeon W2400 processor: All versions

Intel Xeon W3400 Processor: All versions

Intel Xeon Processor E Family: All versions

12th Generation Intel Core Processors: All versions

Intel Pentium Gold Processor Series: All versions

Intel Celeron Processors: All versions

13th Generation Intel Core Processors: All versions

13th Generation Intel Core i7 processors: All versions

External links

http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01046.html

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.