GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-72336 (GCVE-0-2026-72336)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:55 – Updated: 2026-08-17 05:12
VLAI
Title
Bluetooth: 6lowpan: hold L2CAP conn across debugfs control
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: hold L2CAP conn across debugfs control get_l2cap_conn() looks up an LE hci_conn under hdev protection, but then drops that protection before reading hcon->l2cap_data and before lowpan_control_write() later dereferences conn->hcon. A disconnect or device close can tear down the same L2CAP connection in that window. The buggy scenario involves two paths, with each column showing the order within that path: 6LoWPAN control write: HCI disconnect/device close: 1. get_l2cap_conn() finds hcon 1. hci_disconn_cfm() dispatches and hcon->l2cap_data. the L2CAP disconnect callback. 2. get_l2cap_conn() drops hdev 2. l2cap_conn_del() clears protection and returns conn. hcon->l2cap_data and drops the L2CAP connection reference. 3. lowpan_control_write() reads 3. hci_conn_del() removes and drops conn->hcon. the HCI connection. Take a reference to the L2CAP connection with l2cap_conn_hold_unless_zero() while hdev is still locked, and drop that reference after the debugfs command's last use of conn. This mirrors the existing L2CAP ACL receive-side handoff and keeps the connection dereferenceable after leaving hdev protection. Export the existing helper so the bluetooth_6lowpan module can use the same lifetime primitive. Validation reproduced this kernel report: BUG: KASAN: slab-use-after-free in lowpan_control_write+0x374/0x520 The buggy address belongs to the object at ffff888111b9d000 which belongs to the cache kmalloc-1k of size 1024 The buggy address is located 0 bytes inside of freed 1024-byte region [ffff888111b9d000, ffff888111b9d400) Read of size 8 Call trace: dump_stack_lvl+0x66/0xa0 print_report+0xce/0x5f0 lowpan_control_write+0x374/0x520 (net/bluetooth/6lowpan.c:1131) srso_alias_return_thunk+0x5/0xfbef5 __virt_addr_valid+0x19f/0x330 kasan_report+0xe0/0x110 __debugfs_file_get+0xf7/0x400 full_proxy_write+0x9e/0xd0 vfs_write+0x1b0/0x810 ksys_write+0xd2/0x170 dnotify_flush+0x32/0x220 do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87) entry_SYSCALL_64_after_hwframe+0x77/0x7f Allocated by task stack: kasan_save_stack+0x33/0x60 kasan_save_track+0x17/0x60 __kasan_kmalloc+0xaa/0xb0 l2cap_conn_add+0x45/0x520 l2cap_chan_connect+0xac6/0xd90 l2cap_sock_connect+0x216/0x350 __sys_connect+0x101/0x130 __x64_sys_connect+0x40/0x50 do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87) entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task stack: kasan_save_stack+0x33/0x60 kasan_save_track+0x17/0x60 kasan_save_free_info+0x3b/0x60 __kasan_slab_free+0x5f/0x80 kfree+0x313/0x590 hci_conn_hash_flush+0xc0/0x140 hci_dev_close_sync+0x41a/0xb00 hci_dev_close+0x12f/0x160 hci_sock_ioctl+0x157/0x570 sock_do_ioctl+0xf7/0x210 sock_ioctl+0x32f/0x490 __x64_sys_ioctl+0xc7/0x110 do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87) entry_SYSCALL_64_after_hwframe+0x77/0x7f kasan_record_aux_stack+0xa7/0xc0 insert_work+0x32/0x100 __queue_work+0x262/0xa60 queue_work_on+0xad/0xb0 l2cap_connect_cfm+0x4ef/0x670 hci_le_remote_feat_complete_evt+0x247/0x430 hci_event_packet+0x360/0x6f0 hci_rx_work+0x2ae/0x7a0 process_one_work+0x4fd/0xbc0 worker_thread+0x2d8/0x570 kthread+0x1ad/0x1f0 ret_from_fork+0x3c9/0x540 ret_from_fork_asm+0x1a/0x30
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 6b8d4a6a03144c5996f98db7f8256267b0d72a3a , < ba1f1ef6522e63aa5dd29805b4390ea2ccadf05e (git)
Affected: 6b8d4a6a03144c5996f98db7f8256267b0d72a3a , < d2a8dc1f619c9e0e4126bee795c39ebddd2ec8ff (git)
Affected: 6b8d4a6a03144c5996f98db7f8256267b0d72a3a , < 23a83bac3356e7b211bcdcf581a31f7b536a2c24 (git)
Affected: 6b8d4a6a03144c5996f98db7f8256267b0d72a3a , < 32c48c7f6cc8c7888e46a8c81622154ccafda5d2 (git)
Affected: 6b8d4a6a03144c5996f98db7f8256267b0d72a3a , < 518aa9505fa10ea5662349e5d2efd8c9e32a820b (git)
guessed Create a notification for this product.
Linux Linux Affected: 3.17
Unaffected: 0 , < 3.17 (semver)
Unaffected: 6.6.145 , ≤ 6.6.* (semver)
Unaffected: 6.12.97 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/6lowpan.c",
            "net/bluetooth/l2cap_core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "ba1f1ef6522e63aa5dd29805b4390ea2ccadf05e",
              "status": "affected",
              "version": "6b8d4a6a03144c5996f98db7f8256267b0d72a3a",
              "versionType": "git"
            },
            {
              "lessThan": "d2a8dc1f619c9e0e4126bee795c39ebddd2ec8ff",
              "status": "affected",
              "version": "6b8d4a6a03144c5996f98db7f8256267b0d72a3a",
              "versionType": "git"
            },
            {
              "lessThan": "23a83bac3356e7b211bcdcf581a31f7b536a2c24",
              "status": "affected",
              "version": "6b8d4a6a03144c5996f98db7f8256267b0d72a3a",
              "versionType": "git"
            },
            {
              "lessThan": "32c48c7f6cc8c7888e46a8c81622154ccafda5d2",
              "status": "affected",
              "version": "6b8d4a6a03144c5996f98db7f8256267b0d72a3a",
              "versionType": "git"
            },
            {
              "lessThan": "518aa9505fa10ea5662349e5d2efd8c9e32a820b",
              "status": "affected",
              "version": "6b8d4a6a03144c5996f98db7f8256267b0d72a3a",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "net/bluetooth/6lowpan.c",
            "net/bluetooth/l2cap_core.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.17"
            },
            {
              "lessThan": "3.17",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "3.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "3.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "3.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "3.17",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "3.17",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: 6lowpan: hold L2CAP conn across debugfs control\n\nget_l2cap_conn() looks up an LE hci_conn under hdev protection, but\nthen drops that protection before reading hcon-\u003el2cap_data and before\nlowpan_control_write() later dereferences conn-\u003ehcon.  A disconnect or\ndevice close can tear down the same L2CAP connection in that window.\n\nThe buggy scenario involves two paths, with each column showing the order\nwithin that path:\n\n6LoWPAN control write:              HCI disconnect/device close:\n  1. get_l2cap_conn() finds hcon      1. hci_disconn_cfm() dispatches\n     and hcon-\u003el2cap_data.               the L2CAP disconnect callback.\n  2. get_l2cap_conn() drops hdev      2. l2cap_conn_del() clears\n     protection and returns conn.        hcon-\u003el2cap_data and drops the\n                                         L2CAP connection reference.\n  3. lowpan_control_write() reads     3. hci_conn_del() removes and drops\n     conn-\u003ehcon.                         the HCI connection.\n\nTake a reference to the L2CAP connection with\nl2cap_conn_hold_unless_zero() while hdev is still locked, and drop that\nreference after the debugfs command\u0027s last use of conn.  This mirrors the\nexisting L2CAP ACL receive-side handoff and keeps the connection\ndereferenceable after leaving hdev protection.  Export the existing helper\nso the bluetooth_6lowpan module can use the same lifetime primitive.\n\nValidation reproduced this kernel report:\nBUG: KASAN: slab-use-after-free in lowpan_control_write+0x374/0x520\nThe buggy address belongs to the object at ffff888111b9d000 which belongs\nto the cache kmalloc-1k of size 1024\nThe buggy address is located 0 bytes inside of freed 1024-byte region\n[ffff888111b9d000, ffff888111b9d400)\nRead of size 8\nCall trace:\n  dump_stack_lvl+0x66/0xa0\n  print_report+0xce/0x5f0\n  lowpan_control_write+0x374/0x520 (net/bluetooth/6lowpan.c:1131)\n  srso_alias_return_thunk+0x5/0xfbef5\n  __virt_addr_valid+0x19f/0x330\n  kasan_report+0xe0/0x110\n  __debugfs_file_get+0xf7/0x400\n  full_proxy_write+0x9e/0xd0\n  vfs_write+0x1b0/0x810\n  ksys_write+0xd2/0x170\n  dnotify_flush+0x32/0x220\n  do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87)\n  entry_SYSCALL_64_after_hwframe+0x77/0x7f\nAllocated by task stack:\n  kasan_save_stack+0x33/0x60\n  kasan_save_track+0x17/0x60\n  __kasan_kmalloc+0xaa/0xb0\n  l2cap_conn_add+0x45/0x520\n  l2cap_chan_connect+0xac6/0xd90\n  l2cap_sock_connect+0x216/0x350\n  __sys_connect+0x101/0x130\n  __x64_sys_connect+0x40/0x50\n  do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87)\n  entry_SYSCALL_64_after_hwframe+0x77/0x7f\nFreed by task stack:\n  kasan_save_stack+0x33/0x60\n  kasan_save_track+0x17/0x60\n  kasan_save_free_info+0x3b/0x60\n  __kasan_slab_free+0x5f/0x80\n  kfree+0x313/0x590\n  hci_conn_hash_flush+0xc0/0x140\n  hci_dev_close_sync+0x41a/0xb00\n  hci_dev_close+0x12f/0x160\n  hci_sock_ioctl+0x157/0x570\n  sock_do_ioctl+0xf7/0x210\n  sock_ioctl+0x32f/0x490\n  __x64_sys_ioctl+0xc7/0x110\n  do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87)\n  entry_SYSCALL_64_after_hwframe+0x77/0x7f\n  kasan_record_aux_stack+0xa7/0xc0\n  insert_work+0x32/0x100\n  __queue_work+0x262/0xa60\n  queue_work_on+0xad/0xb0\n  l2cap_connect_cfm+0x4ef/0x670\n  hci_le_remote_feat_complete_evt+0x247/0x430\n  hci_event_packet+0x360/0x6f0\n  hci_rx_work+0x2ae/0x7a0\n  process_one_work+0x4fd/0xbc0\n  worker_thread+0x2d8/0x570\n  kthread+0x1ad/0x1f0\n  ret_from_fork+0x3c9/0x540\n  ret_from_fork_asm+0x1a/0x30"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:12:44.492Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/ba1f1ef6522e63aa5dd29805b4390ea2ccadf05e"
        },
        {
          "url": "https://git.kernel.org/stable/c/d2a8dc1f619c9e0e4126bee795c39ebddd2ec8ff"
        },
        {
          "url": "https://git.kernel.org/stable/c/23a83bac3356e7b211bcdcf581a31f7b536a2c24"
        },
        {
          "url": "https://git.kernel.org/stable/c/32c48c7f6cc8c7888e46a8c81622154ccafda5d2"
        },
        {
          "url": "https://git.kernel.org/stable/c/518aa9505fa10ea5662349e5d2efd8c9e32a820b"
        }
      ],
      "title": "Bluetooth: 6lowpan: hold L2CAP conn across debugfs control",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72336",
    "datePublished": "2026-08-15T05:55:44.487Z",
    "dateReserved": "2026-08-09T03:40:39.920Z",
    "dateUpdated": "2026-08-17T05:12:44.492Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-72336",
      "date": "2026-09-04",
      "epss": "0.002",
      "percentile": "0.09861"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-72336\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-08-15T06:22:06.817\",\"lastModified\":\"2026-08-17T06:18:37.290\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nBluetooth: 6lowpan: hold L2CAP conn across debugfs control\\n\\nget_l2cap_conn() looks up an LE hci_conn under hdev protection, but\\nthen drops that protection before reading hcon-\u003el2cap_data and before\\nlowpan_control_write() later dereferences conn-\u003ehcon.  A disconnect or\\ndevice close can tear down the same L2CAP connection in that window.\\n\\nThe buggy scenario involves two paths, with each column showing the order\\nwithin that path:\\n\\n6LoWPAN control write:              HCI disconnect/device close:\\n  1. get_l2cap_conn() finds hcon      1. hci_disconn_cfm() dispatches\\n     and hcon-\u003el2cap_data.               the L2CAP disconnect callback.\\n  2. get_l2cap_conn() drops hdev      2. l2cap_conn_del() clears\\n     protection and returns conn.        hcon-\u003el2cap_data and drops the\\n                                         L2CAP connection reference.\\n  3. lowpan_control_write() reads     3. hci_conn_del() removes and drops\\n     conn-\u003ehcon.                         the HCI connection.\\n\\nTake a reference to the L2CAP connection with\\nl2cap_conn_hold_unless_zero() while hdev is still locked, and drop that\\nreference after the debugfs command\u0027s last use of conn.  This mirrors the\\nexisting L2CAP ACL receive-side handoff and keeps the connection\\ndereferenceable after leaving hdev protection.  Export the existing helper\\nso the bluetooth_6lowpan module can use the same lifetime primitive.\\n\\nValidation reproduced this kernel report:\\nBUG: KASAN: slab-use-after-free in lowpan_control_write+0x374/0x520\\nThe buggy address belongs to the object at ffff888111b9d000 which belongs\\nto the cache kmalloc-1k of size 1024\\nThe buggy address is located 0 bytes inside of freed 1024-byte region\\n[ffff888111b9d000, ffff888111b9d400)\\nRead of size 8\\nCall trace:\\n  dump_stack_lvl+0x66/0xa0\\n  print_report+0xce/0x5f0\\n  lowpan_control_write+0x374/0x520 (net/bluetooth/6lowpan.c:1131)\\n  srso_alias_return_thunk+0x5/0xfbef5\\n  __virt_addr_valid+0x19f/0x330\\n  kasan_report+0xe0/0x110\\n  __debugfs_file_get+0xf7/0x400\\n  full_proxy_write+0x9e/0xd0\\n  vfs_write+0x1b0/0x810\\n  ksys_write+0xd2/0x170\\n  dnotify_flush+0x32/0x220\\n  do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87)\\n  entry_SYSCALL_64_after_hwframe+0x77/0x7f\\nAllocated by task stack:\\n  kasan_save_stack+0x33/0x60\\n  kasan_save_track+0x17/0x60\\n  __kasan_kmalloc+0xaa/0xb0\\n  l2cap_conn_add+0x45/0x520\\n  l2cap_chan_connect+0xac6/0xd90\\n  l2cap_sock_connect+0x216/0x350\\n  __sys_connect+0x101/0x130\\n  __x64_sys_connect+0x40/0x50\\n  do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87)\\n  entry_SYSCALL_64_after_hwframe+0x77/0x7f\\nFreed by task stack:\\n  kasan_save_stack+0x33/0x60\\n  kasan_save_track+0x17/0x60\\n  kasan_save_free_info+0x3b/0x60\\n  __kasan_slab_free+0x5f/0x80\\n  kfree+0x313/0x590\\n  hci_conn_hash_flush+0xc0/0x140\\n  hci_dev_close_sync+0x41a/0xb00\\n  hci_dev_close+0x12f/0x160\\n  hci_sock_ioctl+0x157/0x570\\n  sock_do_ioctl+0xf7/0x210\\n  sock_ioctl+0x32f/0x490\\n  __x64_sys_ioctl+0xc7/0x110\\n  do_syscall_64+0x115/0x6a0 (arch/x86/entry/syscall_64.c:87)\\n  entry_SYSCALL_64_after_hwframe+0x77/0x7f\\n  kasan_record_aux_stack+0xa7/0xc0\\n  insert_work+0x32/0x100\\n  __queue_work+0x262/0xa60\\n  queue_work_on+0xad/0xb0\\n  l2cap_connect_cfm+0x4ef/0x670\\n  hci_le_remote_feat_complete_evt+0x247/0x430\\n  hci_event_packet+0x360/0x6f0\\n  hci_rx_work+0x2ae/0x7a0\\n  process_one_work+0x4fd/0xbc0\\n  worker_thread+0x2d8/0x570\\n  kthread+0x1ad/0x1f0\\n  ret_from_fork+0x3c9/0x540\\n  ret_from_fork_asm+0x1a/0x30\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/bluetooth/6lowpan.c\",\"net/bluetooth/l2cap_core.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6b8d4a6a03144c5996f98db7f8256267b0d72a3a\",\"lessThan\":\"ba1f1ef6522e63aa5dd29805b4390ea2ccadf05e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"6b8d4a6a03144c5996f98db7f8256267b0d72a3a\",\"lessThan\":\"d2a8dc1f619c9e0e4126bee795c39ebddd2ec8ff\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"6b8d4a6a03144c5996f98db7f8256267b0d72a3a\",\"lessThan\":\"23a83bac3356e7b211bcdcf581a31f7b536a2c24\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"6b8d4a6a03144c5996f98db7f8256267b0d72a3a\",\"lessThan\":\"32c48c7f6cc8c7888e46a8c81622154ccafda5d2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"6b8d4a6a03144c5996f98db7f8256267b0d72a3a\",\"lessThan\":\"518aa9505fa10ea5662349e5d2efd8c9e32a820b\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/bluetooth/6lowpan.c\",\"net/bluetooth/l2cap_core.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"3.17\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"3.17\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.145\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.97\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.40\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1.5\",\"lessThanOrEqual\":\"7.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.2\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/23a83bac3356e7b211bcdcf581a31f7b536a2c24\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/32c48c7f6cc8c7888e46a8c81622154ccafda5d2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/518aa9505fa10ea5662349e5d2efd8c9e32a820b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ba1f1ef6522e63aa5dd29805b4390ea2ccadf05e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/d2a8dc1f619c9e0e4126bee795c39ebddd2ec8ff\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-18T23:50:29+00:00",
      "cve": "CVE-2026-72336",
      "id": "CVE-2026-72336",
      "initial_release_date": "2026-08-15T00:00:00+00:00",
      "product_status:known_affected": "232",
      "product_status:known_not_affected": "42",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: 6lowpan: hold L2CAP conn across debugfs control",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72336.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.