Privilege escalation in Intel Xeon SPP

1) Protection mechanism failure

EUVDB-ID: #VU101951

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-2024-36242

CWE-ID: CWE-693 - Protection Mechanism Failure

Exploit availability: No

Description

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

The vulnerability exists due to insufficient implementation of security measures in the Sub-Page write Permissions (SPP). 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 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

4th Generation Intel Xeon Scalable Processors with Intel vRAN: All versions

Intel Xeon W2400 processor: All versions

Intel Xeon W3400 Processor: All versions

5th Generation Intel Xeon Scalable processors: All versions

CPE2.3

• cpe:2.3:h:intel:3rd_generation_intel_xeon_scalable_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:intel_xeon_d_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_high_bandwidth_memory_hbm:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:4th_generation_intel_xeon_edge_enhanced_processors:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:4th_generation_intel_xeon_scalable_processors_with_intel_vran:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:intel_xeon_w2400_processor:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:intel_xeon_w3400_processor:*:*:*:*:*:*:*:*
• cpe:2.3:h:intel:5th_generation_intel_xeon_scalable_processors:*:*:*:*:*:*:*:*

External links

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01196.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.