{
	"__comment__": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content you must provide attribution to Intel Corporation and provide a link to the original.",
	"document": {
		"category": "csaf_security_advisory",
		"csaf_version": "2.0",
		"distribution": {
			"text": "Copyright © Intel Corporation All rights reserved.",
			"tlp": {
				"label": "WHITE",
				"url": "https://www.first.org/tlp/"
			}
		},
		"lang": "en",
		"publisher": {
			"category": "vendor",
			"contact_details": "secure@intel.com",
			"issuing_authority": "Intel Corporation is responsible for vulnerability handling across all Intel offerings.",
			"name": "Intel Corporation",
			"namespace": "https://www.intel.com"
		},
		"tracking": {
			"id": "INTEL-SA-01153",
			"initial_release_date": "2025-05-12T00:00:00+00:00",
			"current_release_date": "2025-05-12T00:00:00+00:00",
			"revision_history": [
				{
					"date": "2025-05-12T00:00:00+00:00",
					"number": "1.0.0",
					"summary": "Initial release"
				}
			],
			"status": "final",
			"version": "1.0.0"
		},
		"title": "2025.1 IPU -Intel® Processor Advisory",
		"references": [
			{
				"summary": "Security Center",
				"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01153.html"
			}
		],
		"notes": [
			{
				"title": "Summary",
				"category": "summary",
				"text": "A potential security vulnerability in some Intel® Processors may allow information disclosure. Intel is releasing microcode updates and prescriptive guidance to mitigate this potential vulnerability."
			},
			{
				"title": "Legal Notices and Disclaimers",
				"category": "legal_disclaimer",
				"text": "Intel provides these materials as-is, with no express or implied warranties.\\r\\nAll products, dates, and figures specified are preliminary based on current expectations, and are subject to change without notice. \\r\\nIntel products and services described may contain design defects or errors known as errata, which may cause the product to deviate from published specifications. Current characterized errata are available on request.\\r\\nIntel products that have met their End of Servicing Updates may no longer receive functional and security updates. For additional details on support and servicing, please see this help article. (https://www.intel.com/content/www/us/en/support/articles/000022396/processors.html)\\r\\nIntel technologies' features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration. No product or component can be absolutely secure. Check with your system manufacturer or retailer or learn more at http://intel.com.(http://intel.com) \\r\\nSome results have been estimated or simulated using internal Intel analysis or architecture simulation or modeling, and provided to you for informational purposes. Any differences in your system hardware, software or configuration may affect your actual performance. \\r\\nIntel and the Intel logo are trademarks of Intel Corporation or its subsidiaries in the United States and other countries. \\r\\n© Intel Corporation. Intel, the Intel logo, and other Intel marks are trademarks of Intel Corporation or its subsidiaries. Other names and brands may be claimed as the property of others."
			},
			{
				"title": "Recommendation",
				"category": "details",
				"text": "Intel recommends that users of affected Intel® Processors update to the latest version provided by the system manufacturer that addresses this issue.\r\nIntel has released microcode updates for the affected Intel® Processors that are currently supported on the public github repository as listed below.\r\nThe microcode patch can be OS loadable. For Intel® SGX customers, Intel recommends updating the microcode located in platform flash designated by firmware interface table (FIT) so that attestation reports this patch is loaded.\r\nTo address this vulnerability, a SGX TCB recovery is planned, refer here for additional guidance.\r\nRelated Content:\r\n\r\nIndirect target selection software guidanceDetailed steps on microcode loading points can be found at: Loading Microcode from the OSGitHub*: Public Github: https://github.com/intel/Intel-Linux-Processor-Microcode-Data-Files"
			},
			{
				"title": "Severity rating",
				"category": "details",
				"text": "Medium"
			},
			{
				"title": "Advisory Category",
				"category": "details",
				"text": "Hardware"
			},
			{
				"title": "Impact of vulnerability",
				"category": "details",
				"text": "Information Disclosure"
			},
			{
				"title": "Contact",
				"category": "details",
				"text": "Contact Intel PSIRT at mailto:secure@intel.com with any questions, requests for technical details, or proposed coordination with other parties. Please encrypt any sensitive details using our PGP key, which can be found at https://www.intel.com/content/www/us/en/security-center/pgp-public-key.html."
			}
		],
		"acknowledgments": [
			{
				"names": [
					"Intel would like to thank Sander Wiebing and Cristiano Giuffrida from the VUSec group at VU Amsterdam for reporting this issue.\r\nIntel would also like to thank Intel employees Ke Sun, Alyssa Milburn, Thais Hamasaki, Joseph Nuzman and Pawan Kumar Gupta. Intel, and nearly the entire technology industry, follows a disclosure practice called Coordinated Disclosure, under which a cybersecurity vulnerability is generally publicly disclosed only after mitigations are available."
				]
			}
		]
	},
	"vulnerabilities": [
		{
			"cve": "CVE-2024-28956",
			"cwe": {
				"id": "CWE-1422",
				"name": "Exposure of Sensitive Information caused by Incorrect Data Forwarding during Transient Execution"
			},
			"title": "Exposure of Sensitive Information in Shared Microarchitectural Structures during Transient Execution for some Intel® Processors may allow an authenticated user to potentially enable information disclosure via local access.  ",
			"scores": [
				{
					"cvss_v3": {
						"attackVector": "LOCAL",
						"attackComplexity": "HIGH",
						"privilegesRequired": "LOW",
						"userInteraction": "NONE",
						"scope": "CHANGED",
						"confidentialityImpact": "HIGH",
						"integrityImpact": "NONE",
						"availabilityImpact": "NONE",
						"version": "3.1",
						"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N",
						"baseScore": 5.6,
						"baseSeverity": "MEDIUM"
					},
					"cvss_v4": {
						"attackVector": "LOCAL",
						"attackComplexity": "HIGH",
						"privilegesRequired": "LOW",
						"userInteraction": "NONE",
						"vulnConfidentialityImpact": "HIGH",
						"vulnIntegrityImpact": "NONE",
						"vulnAvailabilityImpact": "NONE",
						"subConfidentialityImpact": "NONE",
						"subIntegrityImpact": "NONE",
						"subAvailabilityImpact": "NONE",
						"version": "4.0",
						"vectorString": "CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N",
						"baseScore": 5.7,
						"baseSeverity": "MEDIUM"
					},
					"products": [
						"See reference."
					]
				}
			],
			"product_status": {
				"known_affected": [
					"See reference."
				]
			}
		}
	]
}