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      "text": "Important"
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    "csaf_version": "2.0",
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      "text": "TuxCare License Agreement",
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        "url": "https://www.first.org/tlp/"
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    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "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, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
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      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
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        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/centos-stream8els/vex/2022/cve-2022-49111-els_os-centos-stream8els.json"
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    "title": "Security update on CVE-2022-49111",
    "tracking": {
      "current_release_date": "2025-12-23T20:02:11Z",
      "generator": {
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      "id": "CVE-2022-49111-ELS_OS-CENTOS-STREAM8ELS",
      "initial_release_date": "2022-01-01T00:00:00Z",
      "revision_history": [
        {
          "date": "2022-01-01T00:00:00Z",
          "number": "1",
          "summary": "Initial version"
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        {
          "date": "2025-07-23T19:29:46Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2025-12-23T20:02:11Z",
          "number": "3",
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    {
      "cve": "CVE-2022-49111",
      "notes": [
        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\nBluetooth: Fix use after free in hci_send_acl\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==================================================================\nBUG: KASAN: use-after-free in hci_send_acl+0xaba/0xc50\nRead of size 8 at addr ffff88800e404818 by task bluetoothd/142\nCPU: 0 PID: 142 Comm: bluetoothd Not tainted\n5.17.0-rc5-00006-gda4022eeac1a #7\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014\nCall Trace:\n<TASK>\ndump_stack_lvl+0x45/0x59\nprint_address_description.constprop.0+0x1f/0x150\nkasan_report.cold+0x7f/0x11b\nhci_send_acl+0xaba/0xc50\nl2cap_do_send+0x23f/0x3d0\nl2cap_chan_send+0xc06/0x2cc0\nl2cap_sock_sendmsg+0x201/0x2b0\nsock_sendmsg+0xdc/0x110\nsock_write_iter+0x20f/0x370\ndo_iter_readv_writev+0x343/0x690\ndo_iter_write+0x132/0x640\nvfs_writev+0x198/0x570\ndo_writev+0x202/0x280\ndo_syscall_64+0x38/0x90\nentry_SYSCALL_64_after_hwframe+0x44/0xae\nRSP: 002b:00007ffce8a099b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014\nCode: 0f 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3\n0f 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\nRDX: 0000000000000001 RSI: 00007ffce8a099e0 RDI: 0000000000000015\nRAX: ffffffffffffffda RBX: 00007ffce8a099e0 RCX: 00007f788fc3cf77\nR10: 00007ffce8af7080 R11: 0000000000000246 R12: 000055e4ccf75580\nRBP: 0000000000000015 R08: 0000000000000002 R09: 0000000000000001\n</TASK>\nR13: 000055e4ccf754a0 R14: 000055e4ccf75cd0 R15: 000055e4ccf4a6b0\nAllocated by task 45:\nkasan_save_stack+0x1e/0x40\n__kasan_kmalloc+0x81/0xa0\nhci_chan_create+0x9a/0x2f0\nl2cap_conn_add.part.0+0x1a/0xdc0\nl2cap_connect_cfm+0x236/0x1000\nle_conn_complete_evt+0x15a7/0x1db0\nhci_le_conn_complete_evt+0x226/0x2c0\nhci_le_meta_evt+0x247/0x450\nhci_event_packet+0x61b/0xe90\nhci_rx_work+0x4d5/0xc50\nprocess_one_work+0x8fb/0x15a0\nworker_thread+0x576/0x1240\nkthread+0x29d/0x340\nret_from_fork+0x1f/0x30\nFreed by task 45:\nkasan_save_stack+0x1e/0x40\nkasan_set_track+0x21/0x30\nkasan_set_free_info+0x20/0x30\n__kasan_slab_free+0xfb/0x130\nkfree+0xac/0x350\nhci_conn_cleanup+0x101/0x6a0\nhci_conn_del+0x27e/0x6c0\nhci_disconn_phylink_complete_evt+0xe0/0x120\nhci_event_packet+0x812/0xe90\nhci_rx_work+0x4d5/0xc50\nprocess_one_work+0x8fb/0x15a0\nworker_thread+0x576/0x1240\nkthread+0x29d/0x340\nret_from_fork+0x1f/0x30\nThe buggy address belongs to the object at ffff88800c0f0500\nThe buggy address is located 24 bytes inside of\nwhich belongs to the cache kmalloc-128 of size 128\nThe buggy address belongs to the page:\n128-byte region [ffff88800c0f0500, ffff88800c0f0580)\nflags: 0x100000000000200(slab|node=0|zone=1)\npage:00000000fe45cd86 refcount:1 mapcount:0\nmapping:0000000000000000 index:0x0 pfn:0xc0f0\nraw: 0000000000000000 0000000080100010 00000001ffffffff\n0000000000000000\nraw: 0100000000000200 ffffea00003a2c80 dead000000000004\nffff8880078418c0\npage dumped because: kasan: bad access detected\nffff88800c0f0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc\nMemory state around the buggy address:\n>ffff88800c0f0500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb\nffff88800c0f0480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\nffff88800c0f0580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc\n---truncated---",
          "title": "Vulnerability description"
        },
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "High"
        }
      ]
    }
  ]
}