Denial of service in Intel SGX

1) Improper access control

EUVDB-ID: #VU104108

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-36293

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the EDECCSSA user leaf function. A local user can bypass implemented security restrictions and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Software Guard Extensions (SGX): All versions

3rd Generation Intel Xeon Scalable Processors: All versions

11th Generation Intel Core Processors: All versions

Intel Xeon E-2300 processor family: All versions

Intel Xeon D Processors: All versions

9th Generation Intel Core Processors: All versions

8th Generation Intel Core Processors: All versions

Intel Xeon E 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 CPU Max Series processors: All versions

CPE2.3

• cpe:2.3:h:intel:software_guard_extensions_sgx:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:3rd_generation_intel_xeon_scalable_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:11th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:intel_xeon_e-2300_processor_family:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:intel_xeon_d_processors:*:*:*:*:*:*:*:*
• cpe:2.3:a:intel:9th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:8th_generation_intel_core_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:intel_xeon_e_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:4th_generation_intel_xeon_scalable_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:4th_generation_intel_xeon_platinum_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:4th_generation_intel_xeon_gold_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:4th_generation_intel_xeon_silver_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:4th_generation_intel_xeon_bronze_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:intel_xeon_cpu_max_series_processors:*:*:*:*:*:*:*:*

External links

https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01213.html
https://www.dell.com/support/kbdoc/en-us/000283897/dsa-2025-041-security-update-for-dell-poweredge-server-for-intel-2025-security-advisories-2025-1-ipu

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.