{
	"document":{
		"aggregate_severity":{
			"namespace":"https://nvd.nist.gov/vuln-metrics/cvss",
			"text":"Medium"
		},
		"category":"csaf_vex",
		"csaf_version":"2.0",
		"distribution":{
			"tlp":{
				"label":"WHITE",
				"url":"https:/www.first.org/tlp/"
			}
		},
		"lang":"en",
		"notes":[
			{
				"text":"linux-firmware security update",
				"category":"general",
				"title":"Synopsis"
			},
			{
				"text":"An update for linux-firmware is now available for openEuler-20.03-LTS-SP4",
				"category":"general",
				"title":"Summary"
			},
			{
				"text":"This package contains firmware images required by some devices.\n\nSecurity Fix(es):\n\nIOMMU improperly handles certain special address\nranges with invalid device table entries (DTEs), which may allow an attacker\nwith privileges and a compromised Hypervisor to\ninduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to a\nloss of guest integrity.(CVE-2023-20584)\n\nIncomplete system memory cleanup in SEV firmware could\nallow a privileged attacker to corrupt guest private memory, potentially\nresulting in a loss of data integrity.(CVE-2023-31356)",
				"category":"general",
				"title":"Description"
			},
			{
				"text":"An update for linux-firmware is now available for openEuler-20.03-LTS-SP4.\n\nopenEuler Security has rated this update as having a security impact of medium. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.",
				"category":"general",
				"title":"Topic"
			},
			{
				"text":"Medium",
				"category":"general",
				"title":"Severity"
			},
			{
				"text":"linux-firmware",
				"category":"general",
				"title":"Affected Component"
			}
		],
		"publisher":{
			"issuing_authority":"openEuler security committee",
			"name":"openEuler",
			"namespace":"https://www.openeuler.org",
			"contact_details":"openeuler-security@openeuler.org",
			"category":"vendor"
		},
		"references":[
			{
				"summary":"openEuler-SA-2024-2549",
				"category":"self",
				"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2549"
			},
			{
				"summary":"CVE-2023-20584",
				"category":"self",
				"url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2023-20584&packageName=linux-firmware"
			},
			{
				"summary":"CVE-2023-31356",
				"category":"self",
				"url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2023-31356&packageName=linux-firmware"
			},
			{
				"summary":"nvd cve",
				"category":"external",
				"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20584"
			},
			{
				"summary":"nvd cve",
				"category":"external",
				"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31356"
			},
			{
				"summary":"openEuler-SA-2024-2549 vex file",
				"category":"self",
				"url":"https://repo.openeuler.org/security/data/csaf/advisories/2024/csaf-openeuler-sa-2024-2549.json"
			}
		],
		"title":"An update for linux-firmware is now available for openEuler-20.03-LTS-SP4",
		"tracking":{
			"initial_release_date":"2024-12-13T21:17:48+08:00",
			"revision_history":[
				{
					"date":"2024-12-13T21:17:48+08:00",
					"summary":"Initial",
					"number":"1.0.0"
				}
			],
			"generator":{
				"date":"2024-12-13T21:17:48+08:00",
				"engine":{
					"name":"openEuler CSAF Tool V1.0"
				}
			},
			"current_release_date":"2024-12-13T21:17:48+08:00",
			"id":"openEuler-SA-2024-2549",
			"version":"1.0.0",
			"status":"final"
		}
	},
	"product_tree":{
		"branches":[
			{
				"name":"openEuler",
				"category":"vendor",
				"branches":[
					{
						"name":"openEuler",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4"
									},
									"product_id":"openEuler-20.03-LTS-SP4",
									"name":"openEuler-20.03-LTS-SP4"
								},
								"name":"openEuler-20.03-LTS-SP4",
								"category":"product_version"
							}
						],
						"category":"product_name"
					},
					{
						"name":"noarch",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4"
									},
									"product_id":"linux-firmware-20241017-1.oe2003sp4.noarch.rpm",
									"name":"linux-firmware-20241017-1.oe2003sp4.noarch.rpm"
								},
								"name":"linux-firmware-20241017-1.oe2003sp4.noarch.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					},
					{
						"name":"src",
						"branches":[
							{
								"product":{
									"product_identification_helper":{
										"cpe":"cpe:/a:openEuler:openEuler:20.03-LTS-SP4"
									},
									"product_id":"linux-firmware-20241017-1.oe2003sp4.src.rpm",
									"name":"linux-firmware-20241017-1.oe2003sp4.src.rpm"
								},
								"name":"linux-firmware-20241017-1.oe2003sp4.src.rpm",
								"category":"product_version"
							}
						],
						"category":"architecture"
					}
				]
			}
		],
		"relationships":[
			{
				"relates_to_product_reference":"openEuler-20.03-LTS-SP4",
				"product_reference":"linux-firmware-20241017-1.oe2003sp4.noarch.rpm",
				"full_product_name":{
					"product_id":"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.noarch",
					"name":"linux-firmware-20241017-1.oe2003sp4.noarch as a component of openEuler-20.03-LTS-SP4"
				},
				"category":"default_component_of"
			},
			{
				"relates_to_product_reference":"openEuler-20.03-LTS-SP4",
				"product_reference":"linux-firmware-20241017-1.oe2003sp4.src.rpm",
				"full_product_name":{
					"product_id":"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.src",
					"name":"linux-firmware-20241017-1.oe2003sp4.src as a component of openEuler-20.03-LTS-SP4"
				},
				"category":"default_component_of"
			}
		]
	},
	"vulnerabilities":[
		{
			"cve":"CVE-2023-20584",
			"notes":[
				{
					"text":"IOMMU improperly handles certain special addressranges with invalid device table entries (DTEs), which may allow an attackerwith privileges and a compromised Hypervisor toinduce DTE faults to bypass RMP checks in SEV-SNP, potentially leading to aloss of guest integrity.",
					"category":"description",
					"title":"Vulnerability Description"
				}
			],
			"product_status":{
				"fixed":[
					"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.noarch",
					"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.src"
				]
			},
			"remediations":[
				{
					"product_ids":[
						"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.noarch",
						"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.src"
					],
					"details":"linux-firmware security update",
					"category":"vendor_fix",
					"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2549"
				}
			],
			"scores":[
				{
					"cvss_v3":{
						"baseSeverity":"MEDIUM",
						"baseScore":5.3,
						"vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:H/A:N",
						"version":"3.1"
					},
					"products":[
						"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.noarch",
						"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.src"
					]
				}
			],
			"threats":[
				{
					"details":"Medium",
					"category":"impact"
				}
			],
			"title":"CVE-2023-20584"
		},
		{
			"cve":"CVE-2023-31356",
			"notes":[
				{
					"text":"Incomplete system memory cleanup in SEV firmware couldallow a privileged attacker to corrupt guest private memory, potentiallyresulting in a loss of data integrity.",
					"category":"description",
					"title":"Vulnerability Description"
				}
			],
			"product_status":{
				"fixed":[
					"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.noarch",
					"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.src"
				]
			},
			"remediations":[
				{
					"product_ids":[
						"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.noarch",
						"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.src"
					],
					"details":"linux-firmware security update",
					"category":"vendor_fix",
					"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-2549"
				}
			],
			"scores":[
				{
					"cvss_v3":{
						"baseSeverity":"MEDIUM",
						"baseScore":4.4,
						"vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
						"version":"3.1"
					},
					"products":[
						"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.noarch",
						"openEuler-20.03-LTS-SP4:linux-firmware-20241017-1.oe2003sp4.src"
					]
				}
			],
			"threats":[
				{
					"details":"Medium",
					"category":"impact"
				}
			],
			"title":"CVE-2023-31356"
		}
	]
}