Privilege escalation in Intel processors

1) Sequence of processor instructions leads to unexpected behavior

EUVDB-ID: #VU82351

Risk: Low

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

CVE-ID: CVE-2023-23583

CWE-ID: CWE-1281 - Sequence of Processor Instructions Leads to Unexpected Behavior

Exploit availability: No

Description

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

The vulnerability exists due to an error related to processing of Sequence of processor instructions. A local user can execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

3rd Generation Intel Xeon Scalable Processors: All versions

Intel Xeon D Processors: All versions

10th Generation Intel Core Processors: All versions

11th Generation Intel Core Processors: All versions

Intel Xeon Processors: All 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 Scalable Processors with Intel vRAN: All versions

Intel Xeon Scalable Processors: All versions

Intel Xeon W workstation processors: 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

Intel Processor U-series: All versions

External links

http://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00950.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.