#VU101942 Incorrect default permissions in Intel products - CVE-2024-21820

Vulnerability identifier: #VU101942

Vulnerability risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-21820

CWE-ID: CWE-276

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 Scalable Processors
Hardware solutions / Firmware
5th Generation Intel Xeon Scalable processors
Hardware solutions / Firmware

Vendor: Intel

Description

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

The vulnerability exists due to incorrect default permissions in some Intel Xeon processor memory controller configurations when using Intel SGX. A local user escalate privileges on the system.

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 Scalable Processors: All versions

5th Generation Intel Xeon Scalable processors: All versions

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External links
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01079.html

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Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?