{
	"document":{
		"aggregate_severity":{
			"namespace":"https://nvd.nist.gov/vuln-metrics/cvss",
			"text":"HIGH"
		},
		"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\nBluetooth: Fix use after free in hci_send_acl\n\nThis fixes the following trace caused by receiving\nHCI_EV_DISCONN_PHY_LINK_COMPLETE which does call hci_conn_del without\nfirst checking if conn->type is in fact AMP_LINK and in case it is\ndo properly cleanup upper layers with hci_disconn_cfm:\n\n ==================================================================\n    BUG: KASAN: use-after-free in hci_send_acl+0xaba/0xc50\n    Read of size 8 at addr ffff88800e404818 by task bluetoothd/142\n\n    CPU: 0 PID: 142 Comm: bluetoothd Not tainted\n    5.17.0-rc5-00006-gda4022eeac1a #7\n    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n    rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n    Call Trace:\n     <TASK>\n     dump_stack_lvl+0x45/0x59\n     print_address_description.constprop.0+0x1f/0x150\n     kasan_report.cold+0x7f/0x11b\n     hci_send_acl+0xaba/0xc50\n     l2cap_do_send+0x23f/0x3d0\n     l2cap_chan_send+0xc06/0x2cc0\n     l2cap_sock_sendmsg+0x201/0x2b0\n     sock_sendmsg+0xdc/0x110\n     sock_write_iter+0x20f/0x370\n     do_iter_readv_writev+0x343/0x690\n     do_iter_write+0x132/0x640\n     vfs_writev+0x198/0x570\n     do_writev+0x202/0x280\n     do_syscall_64+0x38/0x90\n     entry_SYSCALL_64_after_hwframe+0x44/0xae\n    RSP: 002b:00007ffce8a099b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014\n    Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3\n    0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 14 00 00 00 0f 05\n    <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10\n    RDX: 0000000000000001 RSI: 00007ffce8a099e0 RDI: 0000000000000015\n    RAX: ffffffffffffffda RBX: 00007ffce8a099e0 RCX: 00007f788fc3cf77\n    R10: 00007ffce8af7080 R11: 0000000000000246 R12: 000055e4ccf75580\n    RBP: 0000000000000015 R08: 0000000000000002 R09: 0000000000000001\n    </TASK>\n    R13: 000055e4ccf754a0 R14: 000055e4ccf75cd0 R15: 000055e4ccf4a6b0\n\n    Allocated by task 45:\n        kasan_save_stack+0x1e/0x40\n        __kasan_kmalloc+0x81/0xa0\n        hci_chan_create+0x9a/0x2f0\n        l2cap_conn_add.part.0+0x1a/0xdc0\n        l2cap_connect_cfm+0x236/0x1000\n        le_conn_complete_evt+0x15a7/0x1db0\n        hci_le_conn_complete_evt+0x226/0x2c0\n        hci_le_meta_evt+0x247/0x450\n        hci_event_packet+0x61b/0xe90\n        hci_rx_work+0x4d5/0xc50\n        process_one_work+0x8fb/0x15a0\n        worker_thread+0x576/0x1240\n        kthread+0x29d/0x340\n        ret_from_fork+0x1f/0x30\n\n    Freed by task 45:\n        kasan_save_stack+0x1e/0x40\n        kasan_set_track+0x21/0x30\n        kasan_set_free_info+0x20/0x30\n        __kasan_slab_free+0xfb/0x130\n        kfree+0xac/0x350\n        hci_conn_cleanup+0x101/0x6a0\n        hci_conn_del+0x27e/0x6c0\n        hci_disconn_phylink_complete_evt+0xe0/0x120\n        hci_event_packet+0x812/0xe90\n        hci_rx_work+0x4d5/0xc50\n        process_one_work+0x8fb/0x15a0\n        worker_thread+0x576/0x1240\n        kthread+0x29d/0x340\n        ret_from_fork+0x1f/0x30\n\n    The buggy address belongs to the object at ffff88800c0f0500\n    The buggy address is located 24 bytes inside of\n    which belongs to the cache kmalloc-128 of size 128\n    The buggy address belongs to the page:\n    128-byte region [ffff88800c0f0500, ffff88800c0f0580)\n    flags: 0x100000000000200(slab|node=0|zone=1)\n    page:00000000fe45cd86 refcount:1 mapcount:0\n    mapping:0000000000000000 index:0x0 pfn:0xc0f0\n    raw: 0000000000000000 0000000080100010 00000001ffffffff\n    0000000000000000\n    raw: 0100000000000200 ffffea00003a2c80 dead000000000004\n    ffff8880078418c0\n    page dumped because: kasan: bad access detected\n    ffff88800c0f0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc\n    Memory state around the buggy address:\n    >ffff88800c0f0500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n    ffff88800c0f0480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n    ffff88800c0f0580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n                   \n---truncated---",
				"category":"general",
				"title":"Synopsis"
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			"name":"openEuler",
			"namespace":"https://www.openeuler.org",
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			"category":"vendor"
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		"references":[
			{
				"summary":"nvd cve",
				"category":"external",
				"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49111"
			},
			{
				"summary":"CVE-2022-49111 vex file",
				"category":"self",
				"url":"https://repo.openeuler.org/security/data/csaf/cve/2022/csaf-openeuler-cve-2022-49111.json"
			},
			{
				"summary":"openEuler-SA-2025-1513",
				"category":"self",
				"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1513"
			},
			{
				"summary":"CVE-2022-49111",
				"category":"self",
				"url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2022-49111&packageName=kernel"
			}
		],
		"title":"openEuler cve CVE-2022-49111",
		"tracking":{
			"initial_release_date":"2025-05-16T21:24:46+08:00",
			"revision_history":[
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					"date":"2025-05-16T21:24:46+08:00",
					"summary":"Initial",
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				"engine":{
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				}
			},
			"current_release_date":"2025-05-16T21:24:46+08:00",
			"id":"CVE-2022-49111",
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	},
	"vulnerabilities":[
		{
			"cve":"CVE-2022-49111",
			"notes":[
				{
					"text":"In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: Fix use after free in hci_send_acl\n\nThis fixes the following trace caused by receiving\nHCI_EV_DISCONN_PHY_LINK_COMPLETE which does call hci_conn_del without\nfirst checking if conn->type is in fact AMP_LINK and in case it is\ndo properly cleanup upper layers with hci_disconn_cfm:\n\n ==================================================================\n    BUG: KASAN: use-after-free in hci_send_acl+0xaba/0xc50\n    Read of size 8 at addr ffff88800e404818 by task bluetoothd/142\n\n    CPU: 0 PID: 142 Comm: bluetoothd Not tainted\n    5.17.0-rc5-00006-gda4022eeac1a #7\n    Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\n    rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\n    Call Trace:\n     <TASK>\n     dump_stack_lvl+0x45/0x59\n     print_address_description.constprop.0+0x1f/0x150\n     kasan_report.cold+0x7f/0x11b\n     hci_send_acl+0xaba/0xc50\n     l2cap_do_send+0x23f/0x3d0\n     l2cap_chan_send+0xc06/0x2cc0\n     l2cap_sock_sendmsg+0x201/0x2b0\n     sock_sendmsg+0xdc/0x110\n     sock_write_iter+0x20f/0x370\n     do_iter_readv_writev+0x343/0x690\n     do_iter_write+0x132/0x640\n     vfs_writev+0x198/0x570\n     do_writev+0x202/0x280\n     do_syscall_64+0x38/0x90\n     entry_SYSCALL_64_after_hwframe+0x44/0xae\n    RSP: 002b:00007ffce8a099b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014\n    Code: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3\n    0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 14 00 00 00 0f 05\n    <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10\n    RDX: 0000000000000001 RSI: 00007ffce8a099e0 RDI: 0000000000000015\n    RAX: ffffffffffffffda RBX: 00007ffce8a099e0 RCX: 00007f788fc3cf77\n    R10: 00007ffce8af7080 R11: 0000000000000246 R12: 000055e4ccf75580\n    RBP: 0000000000000015 R08: 0000000000000002 R09: 0000000000000001\n    </TASK>\n    R13: 000055e4ccf754a0 R14: 000055e4ccf75cd0 R15: 000055e4ccf4a6b0\n\n    Allocated by task 45:\n        kasan_save_stack+0x1e/0x40\n        __kasan_kmalloc+0x81/0xa0\n        hci_chan_create+0x9a/0x2f0\n        l2cap_conn_add.part.0+0x1a/0xdc0\n        l2cap_connect_cfm+0x236/0x1000\n        le_conn_complete_evt+0x15a7/0x1db0\n        hci_le_conn_complete_evt+0x226/0x2c0\n        hci_le_meta_evt+0x247/0x450\n        hci_event_packet+0x61b/0xe90\n        hci_rx_work+0x4d5/0xc50\n        process_one_work+0x8fb/0x15a0\n        worker_thread+0x576/0x1240\n        kthread+0x29d/0x340\n        ret_from_fork+0x1f/0x30\n\n    Freed by task 45:\n        kasan_save_stack+0x1e/0x40\n        kasan_set_track+0x21/0x30\n        kasan_set_free_info+0x20/0x30\n        __kasan_slab_free+0xfb/0x130\n        kfree+0xac/0x350\n        hci_conn_cleanup+0x101/0x6a0\n        hci_conn_del+0x27e/0x6c0\n        hci_disconn_phylink_complete_evt+0xe0/0x120\n        hci_event_packet+0x812/0xe90\n        hci_rx_work+0x4d5/0xc50\n        process_one_work+0x8fb/0x15a0\n        worker_thread+0x576/0x1240\n        kthread+0x29d/0x340\n        ret_from_fork+0x1f/0x30\n\n    The buggy address belongs to the object at ffff88800c0f0500\n    The buggy address is located 24 bytes inside of\n    which belongs to the cache kmalloc-128 of size 128\n    The buggy address belongs to the page:\n    128-byte region [ffff88800c0f0500, ffff88800c0f0580)\n    flags: 0x100000000000200(slab|node=0|zone=1)\n    page:00000000fe45cd86 refcount:1 mapcount:0\n    mapping:0000000000000000 index:0x0 pfn:0xc0f0\n    raw: 0000000000000000 0000000080100010 00000001ffffffff\n    0000000000000000\n    raw: 0100000000000200 ffffea00003a2c80 dead000000000004\n    ffff8880078418c0\n    page dumped because: kasan: bad access detected\n    ffff88800c0f0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc\n    Memory state around the buggy address:\n    >ffff88800c0f0500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\n    ffff88800c0f0480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n    ffff88800c0f0580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n                   \n---truncated---",
					"category":"description",
					"title":"Vulnerability Description"
				}
			],
			"product_status":{
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			"remediations":[
				{
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					],
					"details":"kernel security update",
					"category":"vendor_fix",
					"url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-1513"
				}
			],
			"scores":[
				{
					"cvss_v3":{
						"baseSeverity":"HIGH",
						"baseScore":7.8,
						"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
						"version":"3.1"
					},
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					]
				}
			],
			"threats":[
				{
					"details":"High",
					"category":"impact"
				}
			],
			"title":"CVE-2022-49111"
		}
	]
}