#VU87459 Security features bypass in Intel products - CVE-2023-22655

Vulnerability identifier: #VU87459

Vulnerability risk: Low

CVSSv4.0: 5.9 [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-2023-22655

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
3rd Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware
Intel Xeon D Processors
Hardware solutions / Firmware
4th Generation Intel Xeon Platinum processors
Hardware solutions / Firmware
4th Generation Intel Xeon Gold Processors
Hardware solutions / Firmware
4th Generation Intel Xeon Scalable Processors
Hardware solutions / Firmware
4th Generation Intel Xeon Silver Processors
Hardware solutions / Firmware
4th Generation Intel Xeon Bronze Processors
Hardware solutions / Firmware
Intel Xeon CPU Max Series processors (High Bandwidth Memory HBM)
Hardware solutions / Firmware

Vendor: Intel

Description

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

The vulnerability exists due to a protection mechanism failure in some 3rd and 4th Generation Intel Xeon Processors when using Intel SGX or Intel TDX. 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

4th Generation Intel Xeon Platinum processors: All versions

4th Generation Intel Xeon Gold Processors: All versions

4th Generation Intel Xeon Scalable 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

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00960.html

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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.