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CVE-2025-38117 (GCVE-0-2025-38117)

Vulnerability from cvelistv5 – Published: 2025-07-03 08:35 – Updated: 2026-08-23 12:45
VLAI
Title
Bluetooth: MGMT: Protect mgmt_pending list with its own lock
Summary
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Protect mgmt_pending list with its own lock This uses a mutex to protect from concurrent access of mgmt_pending list which can cause crashes like: ================================================================== BUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91 Read of size 2 at addr ffff0000c48885b2 by task syz.4.334/7318 CPU: 0 UID: 0 PID: 7318 Comm: syz.4.334 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 print_address_description+0xa8/0x254 mm/kasan/report.c:408 print_report+0x68/0x84 mm/kasan/report.c:521 kasan_report+0xb0/0x110 mm/kasan/report.c:634 __asan_report_load2_noabort+0x20/0x2c mm/kasan/report_generic.c:379 hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91 mgmt_pending_find+0x7c/0x140 net/bluetooth/mgmt_util.c:223 pending_find net/bluetooth/mgmt.c:947 [inline] remove_adv_monitor+0x44/0x1a4 net/bluetooth/mgmt.c:5445 hci_mgmt_cmd+0x780/0xc00 net/bluetooth/hci_sock.c:1712 hci_sock_sendmsg+0x544/0xbb0 net/bluetooth/hci_sock.c:1832 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg net/socket.c:727 [inline] sock_write_iter+0x25c/0x378 net/socket.c:1131 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x62c/0x97c fs/read_write.c:684 ksys_write+0x120/0x210 fs/read_write.c:736 __do_sys_write fs/read_write.c:747 [inline] __se_sys_write fs/read_write.c:744 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:744 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Allocated by task 7037: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_noprof+0x2fc/0x4c8 mm/slub.c:4339 kmalloc_noprof include/linux/slab.h:909 [inline] sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:2198 sk_alloc+0x44/0x3ac net/core/sock.c:2254 bt_sock_alloc+0x4c/0x300 net/bluetooth/af_bluetooth.c:148 hci_sock_create+0xa8/0x194 net/bluetooth/hci_sock.c:2202 bt_sock_create+0x14c/0x24c net/bluetooth/af_bluetooth.c:132 __sock_create+0x43c/0x91c net/socket.c:1541 sock_create net/socket.c:1599 [inline] __sys_socket_create net/socket.c:1636 [inline] __sys_socket+0xd4/0x1c0 net/socket.c:1683 __do_sys_socket net/socket.c:1697 [inline] __se_sys_socket net/socket.c:1695 [inline] __arm64_sys_socket+0x7c/0x94 net/socket.c:1695 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Freed by task 6607: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x68/0x88 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline ---truncated---
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a380b6cff1a2d2139772e88219d08330f84d0381 , < 7b5958332f20dc66b19be564c402dbc21b927a81 (git)
Affected: a380b6cff1a2d2139772e88219d08330f84d0381 , < bdd56875c6926d8009914f427df71797693e90d4 (git)
Affected: a380b6cff1a2d2139772e88219d08330f84d0381 , < 4e83f2dbb2bf677e614109df24426c4dded472d4 (git)
Affected: a380b6cff1a2d2139772e88219d08330f84d0381 , < d7882db79135c829a922daf3571f33ea1e056ae3 (git)
Affected: a380b6cff1a2d2139772e88219d08330f84d0381 , < 6fe26f694c824b8a4dbf50c635bee1302e3f099c (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.1
Unaffected: 0 , < 4.1 (semver)
Unaffected: 6.1.184 , ≤ 6.1.* (semver)
Unaffected: 6.6.94 , ≤ 6.6.* (semver)
Unaffected: 6.12.34 , ≤ 6.12.* (semver)
Unaffected: 6.15.3 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "include/net/bluetooth/hci_core.h",
            "net/bluetooth/hci_core.c",
            "net/bluetooth/mgmt.c",
            "net/bluetooth/mgmt_util.c",
            "net/bluetooth/mgmt_util.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
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              "status": "affected",
              "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
              "versionType": "git"
            },
            {
              "lessThan": "bdd56875c6926d8009914f427df71797693e90d4",
              "status": "affected",
              "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
              "versionType": "git"
            },
            {
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              "status": "affected",
              "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
              "versionType": "git"
            },
            {
              "lessThan": "d7882db79135c829a922daf3571f33ea1e056ae3",
              "status": "affected",
              "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
              "versionType": "git"
            },
            {
              "lessThan": "6fe26f694c824b8a4dbf50c635bee1302e3f099c",
              "status": "affected",
              "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "include/net/bluetooth/hci_core.h",
            "net/bluetooth/hci_core.c",
            "net/bluetooth/mgmt.c",
            "net/bluetooth/mgmt_util.c",
            "net/bluetooth/mgmt_util.h"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "4.1"
            },
            {
              "lessThan": "4.1",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.184",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.94",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.34",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.3",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.184",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.94",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.34",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.3",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16",
                  "versionStartIncluding": "4.1",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: Protect mgmt_pending list with its own lock\n\nThis uses a mutex to protect from concurrent access of mgmt_pending\nlist which can cause crashes like:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91\nRead of size 2 at addr ffff0000c48885b2 by task syz.4.334/7318\n\nCPU: 0 UID: 0 PID: 7318 Comm: syz.4.334 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\nCall trace:\n show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)\n __dump_stack+0x30/0x40 lib/dump_stack.c:94\n dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120\n print_address_description+0xa8/0x254 mm/kasan/report.c:408\n print_report+0x68/0x84 mm/kasan/report.c:521\n kasan_report+0xb0/0x110 mm/kasan/report.c:634\n __asan_report_load2_noabort+0x20/0x2c mm/kasan/report_generic.c:379\n hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91\n mgmt_pending_find+0x7c/0x140 net/bluetooth/mgmt_util.c:223\n pending_find net/bluetooth/mgmt.c:947 [inline]\n remove_adv_monitor+0x44/0x1a4 net/bluetooth/mgmt.c:5445\n hci_mgmt_cmd+0x780/0xc00 net/bluetooth/hci_sock.c:1712\n hci_sock_sendmsg+0x544/0xbb0 net/bluetooth/hci_sock.c:1832\n sock_sendmsg_nosec net/socket.c:712 [inline]\n __sock_sendmsg net/socket.c:727 [inline]\n sock_write_iter+0x25c/0x378 net/socket.c:1131\n new_sync_write fs/read_write.c:591 [inline]\n vfs_write+0x62c/0x97c fs/read_write.c:684\n ksys_write+0x120/0x210 fs/read_write.c:736\n __do_sys_write fs/read_write.c:747 [inline]\n __se_sys_write fs/read_write.c:744 [inline]\n __arm64_sys_write+0x7c/0x90 fs/read_write.c:744\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767\n el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\n\nAllocated by task 7037:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x40/0x78 mm/kasan/common.c:68\n kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\n __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:394\n kasan_kmalloc include/linux/kasan.h:260 [inline]\n __do_kmalloc_node mm/slub.c:4327 [inline]\n __kmalloc_noprof+0x2fc/0x4c8 mm/slub.c:4339\n kmalloc_noprof include/linux/slab.h:909 [inline]\n sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:2198\n sk_alloc+0x44/0x3ac net/core/sock.c:2254\n bt_sock_alloc+0x4c/0x300 net/bluetooth/af_bluetooth.c:148\n hci_sock_create+0xa8/0x194 net/bluetooth/hci_sock.c:2202\n bt_sock_create+0x14c/0x24c net/bluetooth/af_bluetooth.c:132\n __sock_create+0x43c/0x91c net/socket.c:1541\n sock_create net/socket.c:1599 [inline]\n __sys_socket_create net/socket.c:1636 [inline]\n __sys_socket+0xd4/0x1c0 net/socket.c:1683\n __do_sys_socket net/socket.c:1697 [inline]\n __se_sys_socket net/socket.c:1695 [inline]\n __arm64_sys_socket+0x7c/0x94 net/socket.c:1695\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767\n el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\n\nFreed by task 6607:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x40/0x78 mm/kasan/common.c:68\n kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576\n poison_slab_object mm/kasan/common.c:247 [inline]\n __kasan_slab_free+0x68/0x88 mm/kasan/common.c:264\n kasan_slab_free include/linux/kasan.h:233 [inline\n---truncated---"
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The vulnerable code is reached only through local syscalls \u2014 `socket()`/`bind()` on an AF_BLUETOOTH HCI socket bound to HCI_CHANNEL_CONTROL followed by `write()`/`sendmsg()` into `hci_mgmt_cmd()`. Although this is the Bluetooth subsystem, the mgmt interface is a local control API and no over-the-air data from an adjacent peer drives either side of the race.\nAC:L - The attacker controls both sides of the race: one thread issues MGMT_OP_SET_POWERED (whose completion frees the pending command and its socket from the hci_cmd_sync workqueue) while another spams commands such as MGMT_OP_REMOVE_ADV_MONITOR that traverse the same unlocked list. syzbot reproduced this reliably and confirmed the fix on two separate reports.\nPR:L - Binding the control channel requires no capability, and the mgmt commands involved require the HCI_SOCK_TRUSTED flag granted by CAP_NET_ADMIN \u2014 a capability held by non-root Bluetooth daemons (e.g. Android\u0027s bluetooth UID), which is exactly the low-privileged component an attacker lands in after compromising the remote-facing stack. This matches the CNA precedent for the identical mgmt_pending list bug class (CVE-2026-31511).\nUI:N - The attacker triggers the race entirely from its own threads via socket writes; no victim action, mount, or file open is needed.\nS:U - The use-after-free corrupts kernel heap state within the same kernel security authority, giving local privilege escalation rather than crossing a VM, IOMMU, or sandbox boundary.\nC:H - `hci_sock_get_channel()` reads freed `struct sock` memory, and because `hci_sk_proto` has no dedicated slab the object is allocated with plain kmalloc into a sprayable general-purpose cache; a groomed reclaim lets `pending_find()` return a command with a dangling `sk`, after which `mgmt_cmd_status()`/`mgmt_cmd_complete()` operate on attacker-shaped memory, yielding kernel information disclosure.\nI:H - Concurrent `list_del`/`list_add_tail` on `hdev-\u003emgmt_pending` with no lock corrupts the doubly-linked list, and `list_del` on a stale entry writes attacker-influenced pointers into freed memory; combined with operations on a freed, function-pointer-laden `struct sock`, this provides write and control-flow-hijack primitives.\nA:H - The bug is a KASAN-confirmed slab-use-after-free that oopses the kernel, and the accompanying list corruption and potential double free of the pending command reliably panic the system."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-23T12:45:21.364Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/7b5958332f20dc66b19be564c402dbc21b927a81"
        },
        {
          "url": "https://git.kernel.org/stable/c/bdd56875c6926d8009914f427df71797693e90d4"
        },
        {
          "url": "https://git.kernel.org/stable/c/4e83f2dbb2bf677e614109df24426c4dded472d4"
        },
        {
          "url": "https://git.kernel.org/stable/c/d7882db79135c829a922daf3571f33ea1e056ae3"
        },
        {
          "url": "https://git.kernel.org/stable/c/6fe26f694c824b8a4dbf50c635bee1302e3f099c"
        }
      ],
      "title": "Bluetooth: MGMT: Protect mgmt_pending list with its own lock",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38117",
    "datePublished": "2025-07-03T08:35:25.060Z",
    "dateReserved": "2025-04-16T04:51:23.986Z",
    "dateUpdated": "2026-08-23T12:45:21.364Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-38117",
      "date": "2026-09-19",
      "epss": "0.0016",
      "percentile": "0.05607"
    },
    "microsoft_vex": {
      "current_release_date": "2026-03-31T14:59:55.000Z",
      "cve": "CVE-2025-38117",
      "id": "msrc_CVE-2025-38117",
      "initial_release_date": "2025-07-02T00:00:00.000Z",
      "product_status:fixed": "2",
      "product_status:known_affected": "5",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "Bluetooth: MGMT: Protect mgmt_pending list with its own lock",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-38117.json",
      "version": "5"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "defaultStatus": "unaffected",
                "product": "Linux",
                "programFiles": [
                  "include/net/bluetooth/hci_core.h",
                  "net/bluetooth/hci_core.c",
                  "net/bluetooth/mgmt.c",
                  "net/bluetooth/mgmt_util.c",
                  "net/bluetooth/mgmt_util.h"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "lessThan": "7b5958332f20dc66b19be564c402dbc21b927a81",
                    "status": "affected",
                    "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "bdd56875c6926d8009914f427df71797693e90d4",
                    "status": "affected",
                    "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "4e83f2dbb2bf677e614109df24426c4dded472d4",
                    "status": "affected",
                    "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "d7882db79135c829a922daf3571f33ea1e056ae3",
                    "status": "affected",
                    "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
                    "versionType": "git"
                  },
                  {
                    "lessThan": "6fe26f694c824b8a4dbf50c635bee1302e3f099c",
                    "status": "affected",
                    "version": "a380b6cff1a2d2139772e88219d08330f84d0381",
                    "versionType": "git"
                  }
                ]
              },
              {
                "defaultStatus": "affected",
                "product": "Linux",
                "programFiles": [
                  "include/net/bluetooth/hci_core.h",
                  "net/bluetooth/hci_core.c",
                  "net/bluetooth/mgmt.c",
                  "net/bluetooth/mgmt_util.c",
                  "net/bluetooth/mgmt_util.h"
                ],
                "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                "vendor": "Linux",
                "versions": [
                  {
                    "status": "affected",
                    "version": "4.1"
                  },
                  {
                    "lessThan": "4.1",
                    "status": "unaffected",
                    "version": "0",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.1.*",
                    "status": "unaffected",
                    "version": "6.1.184",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.6.*",
                    "status": "unaffected",
                    "version": "6.6.94",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.12.*",
                    "status": "unaffected",
                    "version": "6.12.34",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "6.15.*",
                    "status": "unaffected",
                    "version": "6.15.3",
                    "versionType": "semver"
                  },
                  {
                    "lessThanOrEqual": "*",
                    "status": "unaffected",
                    "version": "6.16",
                    "versionType": "original_commit_for_fix"
                  }
                ]
              }
            ],
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C55A712F-B599-4389-8F6D-CBC27CAB8BA1",
                    "versionEndExcluding": "6.6.94",
                    "versionStartIncluding": "4.1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "4FFA54AA-CDFE-4591-BD07-72813D0948F4",
                    "versionEndExcluding": "6.12.34",
                    "versionStartIncluding": "6.7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "0541C761-BD5E-4C1A-8432-83B375D7EB92",
                    "versionEndExcluding": "6.15.3",
                    "versionStartIncluding": "6.13",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*",
                    "matchCriteriaId": "6D4894DB-CCFE-4602-B1BF-3960B2E19A01",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: MGMT: Protect mgmt_pending list with its own lock\n\nThis uses a mutex to protect from concurrent access of mgmt_pending\nlist which can cause crashes like:\n\n==================================================================\nBUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91\nRead of size 2 at addr ffff0000c48885b2 by task syz.4.334/7318\n\nCPU: 0 UID: 0 PID: 7318 Comm: syz.4.334 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025\nCall trace:\n show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C)\n __dump_stack+0x30/0x40 lib/dump_stack.c:94\n dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120\n print_address_description+0xa8/0x254 mm/kasan/report.c:408\n print_report+0x68/0x84 mm/kasan/report.c:521\n kasan_report+0xb0/0x110 mm/kasan/report.c:634\n __asan_report_load2_noabort+0x20/0x2c mm/kasan/report_generic.c:379\n hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91\n mgmt_pending_find+0x7c/0x140 net/bluetooth/mgmt_util.c:223\n pending_find net/bluetooth/mgmt.c:947 [inline]\n remove_adv_monitor+0x44/0x1a4 net/bluetooth/mgmt.c:5445\n hci_mgmt_cmd+0x780/0xc00 net/bluetooth/hci_sock.c:1712\n hci_sock_sendmsg+0x544/0xbb0 net/bluetooth/hci_sock.c:1832\n sock_sendmsg_nosec net/socket.c:712 [inline]\n __sock_sendmsg net/socket.c:727 [inline]\n sock_write_iter+0x25c/0x378 net/socket.c:1131\n new_sync_write fs/read_write.c:591 [inline]\n vfs_write+0x62c/0x97c fs/read_write.c:684\n ksys_write+0x120/0x210 fs/read_write.c:736\n __do_sys_write fs/read_write.c:747 [inline]\n __se_sys_write fs/read_write.c:744 [inline]\n __arm64_sys_write+0x7c/0x90 fs/read_write.c:744\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767\n el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\n\nAllocated by task 7037:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x40/0x78 mm/kasan/common.c:68\n kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562\n poison_kmalloc_redzone mm/kasan/common.c:377 [inline]\n __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:394\n kasan_kmalloc include/linux/kasan.h:260 [inline]\n __do_kmalloc_node mm/slub.c:4327 [inline]\n __kmalloc_noprof+0x2fc/0x4c8 mm/slub.c:4339\n kmalloc_noprof include/linux/slab.h:909 [inline]\n sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:2198\n sk_alloc+0x44/0x3ac net/core/sock.c:2254\n bt_sock_alloc+0x4c/0x300 net/bluetooth/af_bluetooth.c:148\n hci_sock_create+0xa8/0x194 net/bluetooth/hci_sock.c:2202\n bt_sock_create+0x14c/0x24c net/bluetooth/af_bluetooth.c:132\n __sock_create+0x43c/0x91c net/socket.c:1541\n sock_create net/socket.c:1599 [inline]\n __sys_socket_create net/socket.c:1636 [inline]\n __sys_socket+0xd4/0x1c0 net/socket.c:1683\n __do_sys_socket net/socket.c:1697 [inline]\n __se_sys_socket net/socket.c:1695 [inline]\n __arm64_sys_socket+0x7c/0x94 net/socket.c:1695\n __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]\n invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49\n el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132\n do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151\n el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767\n el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786\n el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600\n\nFreed by task 6607:\n kasan_save_stack mm/kasan/common.c:47 [inline]\n kasan_save_track+0x40/0x78 mm/kasan/common.c:68\n kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576\n poison_slab_object mm/kasan/common.c:247 [inline]\n __kasan_slab_free+0x68/0x88 mm/kasan/common.c:264\n kasan_slab_free include/linux/kasan.h:233 [inline\n---truncated---"
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: MGMT: Proteger la lista mgmt_pending con su propio bloqueo Esto usa un mutex para proteger del acceso concurrente a la lista mgmt_pending que puede causar fallos como: ====================================================================== ERROR: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91 Read of size 2 at addr ffff0000c48885b2 by task syz.4.334/7318 CPU: 0 UID: 0 PID: 7318 Comm: syz.4.334 Not tainted 6.15.0-rc7-syzkaller-g187899f4124a #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 print_address_description+0xa8/0x254 mm/kasan/report.c:408 print_report+0x68/0x84 mm/kasan/report.c:521 kasan_report+0xb0/0x110 mm/kasan/report.c:634 __asan_report_load2_noabort+0x20/0x2c mm/kasan/report_generic.c:379 hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91 mgmt_pending_find+0x7c/0x140 net/bluetooth/mgmt_util.c:223 pending_find net/bluetooth/mgmt.c:947 [inline] remove_adv_monitor+0x44/0x1a4 net/bluetooth/mgmt.c:5445 hci_mgmt_cmd+0x780/0xc00 net/bluetooth/hci_sock.c:1712 hci_sock_sendmsg+0x544/0xbb0 net/bluetooth/hci_sock.c:1832 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg net/socket.c:727 [inline] sock_write_iter+0x25c/0x378 net/socket.c:1131 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x62c/0x97c fs/read_write.c:684 ksys_write+0x120/0x210 fs/read_write.c:736 __do_sys_write fs/read_write.c:747 [inline] __se_sys_write fs/read_write.c:744 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:744 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Allocated by task 7037: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x44/0x54 mm/kasan/generic.c:562 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0x9c/0xb4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_noprof+0x2fc/0x4c8 mm/slub.c:4339 kmalloc_noprof include/linux/slab.h:909 [inline] sk_prot_alloc+0xc4/0x1f0 net/core/sock.c:2198 sk_alloc+0x44/0x3ac net/core/sock.c:2254 bt_sock_alloc+0x4c/0x300 net/bluetooth/af_bluetooth.c:148 hci_sock_create+0xa8/0x194 net/bluetooth/hci_sock.c:2202 bt_sock_create+0x14c/0x24c net/bluetooth/af_bluetooth.c:132 __sock_create+0x43c/0x91c net/socket.c:1541 sock_create net/socket.c:1599 [inline] __sys_socket_create net/socket.c:1636 [inline] __sys_socket+0xd4/0x1c0 net/socket.c:1683 __do_sys_socket net/socket.c:1697 [inline] __se_sys_socket net/socket.c:1695 [inline] __arm64_sys_socket+0x7c/0x94 net/socket.c:1695 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Freed by task 6607: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x58/0x70 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x68/0x88 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [en l\u00ednea ---truncado---"
          }
        ],
        "id": "CVE-2025-38117",
        "lastModified": "2026-08-23T13:16:25.990",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "baseScore": 7.8,
                "baseSeverity": "HIGH",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 1.8,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ]
        },
        "published": "2025-07-03T09:15:25.617",
        "references": [
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/4e83f2dbb2bf677e614109df24426c4dded472d4"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/6fe26f694c824b8a4dbf50c635bee1302e3f099c"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "url": "https://git.kernel.org/stable/c/7b5958332f20dc66b19be564c402dbc21b927a81"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/bdd56875c6926d8009914f427df71797693e90d4"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/d7882db79135c829a922daf3571f33ea1e056ae3"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-07-30T09:18:07+00:00",
      "cve": "CVE-2025-38117",
      "id": "CVE-2025-38117",
      "initial_release_date": "2025-07-03T00:00:00+00:00",
      "product_status:known_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Bluetooth: MGMT: Protect mgmt_pending list with its own lock",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38117.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-30T01:57:05Z",
      "cve": "CVE-2025-38117",
      "id": "CVE-2025-38117",
      "initial_release_date": "2025-07-03T23:23:36Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "780",
      "product_status:known_not_affected": "6",
      "product_status:recommended": "509",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-38117",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-38117.json",
      "version": "50"
    }
  }
}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.