313 lines
16 KiB
JSON
313 lines
16 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2024-58241",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-04-16T07:19:43.805Z",
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"datePublished": "2025-09-24T11:02:49.948Z",
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"dateUpdated": "2026-08-05T11:47:51.227Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T11:47:51.227Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_core: Disable works on hci_unregister_dev\n\nThis make use of disable_work_* on hci_unregister_dev since the hci_dev is\nabout to be freed new submissions are not disarable."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"baseScore": 7.8,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"value": "AV:L - Triggering the vulnerable window requires initiating HCI device teardown (`hci_unregister_dev()`), reachable locally via `/dev/vhci` close, HCI ldisc detach, or adapter down/removal — an adjacent Bluetooth peer can influence HCI traffic but cannot cause device unregistration. All required primitives are local syscalls (open/write/close/ioctl on a device node and Bluetooth sockets).\nAC:L - The attacker controls both sides of the race — it drives the unregister (closing the vhci fd) while concurrently feeding HCI packets/commands that re-queue `rx_work`/`cmd_work`/`error_reset` — and can retry the open/close cycle indefinitely to win it and to spray the freed `hci_dev` slab. The `cmd_timer`/`ncmd_timer` re-arm even occurs on the unregister path itself via `hci_dev_close_sync()`, requiring no external timing luck.\nPR:L - No capability check exists anywhere on the path: `vhci_open()` performs no `capable()` test, so an unprivileged user granted the device node (containers, Android's bluetooth uid, permissive udev rules) can create and destroy HCI devices and inject HCI frames at will. This matches the PR:L assignment for the structurally identical `hci_unregister_dev` teardown UAF CVE-2025-38250.\nUI:N - The attacker performs both the device teardown and the concurrent work re-submission entirely from its own processes. No victim action or cooperation is needed.\nS:U - The corruption is confined to kernel slab memory and workqueue structures within the same kernel security authority. No VM, IOMMU, or sandbox boundary is crossed.\nC:H - A work_struct/delayed_work embedded in the freed `hci_dev` is dereferenced after `kfree()`, and `__queue_work()` follows the stale `dwork->wq` pointer into a destroyed workqueue. Controlled reallocation of the freed object turns this into an arbitrary-read primitive and leaks kernel pointers/heap contents.\nI:H - The same use-after-free lets the attacker place controlled data in the reclaimed `hci_dev` slab so that the firing timer operates on attacker-supplied `workqueue_struct`/`pool_workqueue`/list pointers and work function pointers, yielding arbitrary write and control-flow hijack. Per kernel scoring guidance, a UAF exploitable for heap spraying is High integrity impact.\nA:H - Even unexploited, the stale timer queuing onto a destroyed workqueue causes a KASAN slab-use-after-free oops and kernel panic, and `destroy_workqueue()` with still-pending work triggers a WARN and leaves the workqueue broken. Re-queued `error_reset` additionally reintroduces the `destroy_workqueue()` self-flush deadlock that hangs the req_workqueue."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/bluetooth/hci_core.c",
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"net/bluetooth/hci_sync.c"
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],
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"versions": [
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{
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"version": "0d151a103775dd9645c78c97f77d6e2a5298d913",
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"lessThan": "cfdb13a54e05eb98d9940cb6d1a13e7f994d811f",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "0d151a103775dd9645c78c97f77d6e2a5298d913",
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"lessThan": "989fa5171f005ecf63440057218d8aeb1795287d",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "48542881997e17b49dc16b93fe910e0cfcf7a9f9",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "9cfc84b1d464cc024286f42a090718f9067b80ed",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "ddeda6ca5f218b668b560d90fc31ae469adbfd92",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "d2ce562a5aff1dcd0c50d9808ea825ef90da909f",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "96600c2e5ee8213dbab5df1617293d8e847bb4fa",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "d6cbce18370641a21dd889e8613d8153df15eb39",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "3f939bd73fed12dddc2a32a76116c19ca47c7678",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "4.19.319",
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"lessThan": "4.20",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.4.281",
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"lessThan": "5.5",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.10.223",
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"lessThan": "5.11",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "5.15.164",
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"lessThan": "5.16",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.1.101",
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"lessThan": "6.2",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.6.42",
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"lessThan": "6.7",
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"status": "affected",
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"versionType": "semver"
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},
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{
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"version": "6.9.11",
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"lessThan": "6.10",
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"status": "affected",
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"versionType": "semver"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"net/bluetooth/hci_core.c",
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"net/bluetooth/hci_sync.c"
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],
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"versions": [
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{
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"version": "6.10",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.10",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.11.6",
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"lessThanOrEqual": "6.11.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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{
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.10",
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"versionEndExcluding": "6.11.6"
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},
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{
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{
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},
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{
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"vulnerable": true,
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},
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{
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"vulnerable": true,
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]
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/cfdb13a54e05eb98d9940cb6d1a13e7f994d811f"
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},
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{
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"url": "https://git.kernel.org/stable/c/989fa5171f005ecf63440057218d8aeb1795287d"
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}
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],
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"title": "Bluetooth: hci_core: Disable works on hci_unregister_dev",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"cvssV3_1": {
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"scope": "UNCHANGED",
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"version": "3.1",
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"baseScore": 5.5,
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"attackVector": "LOCAL",
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"baseSeverity": "MEDIUM",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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"integrityImpact": "NONE",
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"userInteraction": "NONE",
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"attackComplexity": "LOW",
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"availabilityImpact": "HIGH",
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"privilegesRequired": "LOW",
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"confidentialityImpact": "NONE"
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}
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},
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2024-58241",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-01-14T19:27:13.634152Z"
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}
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}
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"type": "CWE",
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"description": "CWE-noinfo Not enough information"
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}
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]
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-01-14T19:33:13.304Z"
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}
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}
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]
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}
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} |