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	"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":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix queues reservation for XDP\n\nWhen XDP was configured on a system with large number of CPUs\nand X722 NIC there was a call trace with NULL pointer dereference.\n\ni40e 0000:87:00.0: failed to get tracking for 256 queues for VSI 0 err -12\ni40e 0000:87:00.0: setup of MAIN VSI failed\n\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nRIP: 0010:i40e_xdp+0xea/0x1b0 [i40e]\nCall Trace:\n? i40e_reconfig_rss_queues+0x130/0x130 [i40e]\ndev_xdp_install+0x61/0xe0\ndev_xdp_attach+0x18a/0x4c0\ndev_change_xdp_fd+0x1e6/0x220\ndo_setlink+0x616/0x1030\n? ahci_port_stop+0x80/0x80\n? ata_qc_issue+0x107/0x1e0\n? lock_timer_base+0x61/0x80\n? __mod_timer+0x202/0x380\nrtnl_setlink+0xe5/0x170\n? bpf_lsm_binder_transaction+0x10/0x10\n? security_capable+0x36/0x50\nrtnetlink_rcv_msg+0x121/0x350\n? rtnl_calcit.isra.0+0x100/0x100\nnetlink_rcv_skb+0x50/0xf0\nnetlink_unicast+0x1d3/0x2a0\nnetlink_sendmsg+0x22a/0x440\nsock_sendmsg+0x5e/0x60\n__sys_sendto+0xf0/0x160\n? __sys_getsockname+0x7e/0xc0\n? _copy_from_user+0x3c/0x80\n? __sys_setsockopt+0xc8/0x1a0\n__x64_sys_sendto+0x20/0x30\ndo_syscall_64+0x33/0x40\nentry_SYSCALL_64_after_hwframe+0x44/0xae\nRIP: 0033:0x7f83fa7a39e0\n\nThis was caused by PF queue pile fragmentation due to\nflow director VSI queue being placed right after main VSI.\nBecause of this main VSI was not able to resize its\nqueue allocation for XDP resulting in no queues allocated\nfor main VSI when XDP was turned on.\n\nFix this by always allocating last queue in PF queue pile\nfor a flow director VSI.",
				"category":"general",
				"title":"Synopsis"
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			"name":"openEuler",
			"namespace":"https://www.openeuler.org",
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		"references":[
			{
				"summary":"nvd cve",
				"category":"external",
				"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47619"
			},
			{
				"summary":"CVE-2021-47619 vex file",
				"category":"self",
				"url":"https://repo.openeuler.org/security/data/csaf/cve/2021/csaf-openeuler-cve-2021-47619.json"
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				"summary":"openEuler-SA-2024-1835",
				"category":"self",
				"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1835"
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				"url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2021-47619&packageName=kernel"
			}
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		"title":"openEuler cve CVE-2021-47619",
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			"initial_release_date":"2024-07-12T22:52:14+08:00",
			"revision_history":[
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					"summary":"Initial",
					"number":"1.0.0"
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					"summary":"Current version",
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			"generator":{
				"date":"2024-08-19T17:35:33+08:00",
				"engine":{
					"name":"openEuler CSAF Tool V1.0"
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			"current_release_date":"2024-08-19T17:35:33+08:00",
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			"notes":[
				{
					"text":"In the Linux kernel, the following vulnerability has been resolved:\n\ni40e: Fix queues reservation for XDP\n\nWhen XDP was configured on a system with large number of CPUs\nand X722 NIC there was a call trace with NULL pointer dereference.\n\ni40e 0000:87:00.0: failed to get tracking for 256 queues for VSI 0 err -12\ni40e 0000:87:00.0: setup of MAIN VSI failed\n\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nRIP: 0010:i40e_xdp+0xea/0x1b0 [i40e]\nCall Trace:\n? i40e_reconfig_rss_queues+0x130/0x130 [i40e]\ndev_xdp_install+0x61/0xe0\ndev_xdp_attach+0x18a/0x4c0\ndev_change_xdp_fd+0x1e6/0x220\ndo_setlink+0x616/0x1030\n? ahci_port_stop+0x80/0x80\n? ata_qc_issue+0x107/0x1e0\n? lock_timer_base+0x61/0x80\n? __mod_timer+0x202/0x380\nrtnl_setlink+0xe5/0x170\n? bpf_lsm_binder_transaction+0x10/0x10\n? security_capable+0x36/0x50\nrtnetlink_rcv_msg+0x121/0x350\n? rtnl_calcit.isra.0+0x100/0x100\nnetlink_rcv_skb+0x50/0xf0\nnetlink_unicast+0x1d3/0x2a0\nnetlink_sendmsg+0x22a/0x440\nsock_sendmsg+0x5e/0x60\n__sys_sendto+0xf0/0x160\n? __sys_getsockname+0x7e/0xc0\n? _copy_from_user+0x3c/0x80\n? __sys_setsockopt+0xc8/0x1a0\n__x64_sys_sendto+0x20/0x30\ndo_syscall_64+0x33/0x40\nentry_SYSCALL_64_after_hwframe+0x44/0xae\nRIP: 0033:0x7f83fa7a39e0\n\nThis was caused by PF queue pile fragmentation due to\nflow director VSI queue being placed right after main VSI.\nBecause of this main VSI was not able to resize its\nqueue allocation for XDP resulting in no queues allocated\nfor main VSI when XDP was turned on.\n\nFix this by always allocating last queue in PF queue pile\nfor a flow director VSI.",
					"category":"description",
					"title":"Vulnerability Description"
				}
			],
			"product_status":{
				"fixed":[
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				]
			},
			"remediations":[
				{
					"product_ids":[
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						"openEuler-20.03-LTS-SP4:kernel-debuginfo-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:kernel-debugsource-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
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						"openEuler-20.03-LTS-SP4:kernel-source-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:kernel-tools-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:kernel-tools-debuginfo-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:kernel-tools-devel-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:perf-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:perf-debuginfo-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:python2-perf-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:python2-perf-debuginfo-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:python3-perf-4.19.90-2407.3.0.0285.oe2003sp4.aarch64",
						"openEuler-20.03-LTS-SP4:python3-perf-debuginfo-4.19.90-2407.3.0.0285.oe2003sp4.aarch64"
					],
					"details":"kernel security update",
					"category":"vendor_fix",
					"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2024-1835"
				}
			],
			"scores":[
				{
					"cvss_v3":{
						"baseSeverity":"MEDIUM",
						"baseScore":5.5,
						"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
						"version":"3.1"
					},
					"products":[
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					]
				}
			],
			"threats":[
				{
					"details":"Medium",
					"category":"impact"
				}
			],
			"title":"CVE-2021-47619"
		}
	]
}