206 lines
10 KiB
JSON
206 lines
10 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-2026-98632",
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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": "2026-09-25T10:25:14.361Z",
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"datePublished": "2026-10-18T15:19:56.287Z",
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"dateUpdated": "2026-10-19T09:23:00.460Z"
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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": "2026-10-19T09:23:00.460Z"
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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: mgmt: Dequeue pending mesh_send_sync entries on cancel\n\nIn send_cancel(), pending mesh_tx objects are removed from the\nhdev->mesh_pending list and freed via mesh_send_complete(). However, if\na mesh transmission was already queued onto hdev->cmd_sync_work_list via\nmesh_next(), the queued entry retains a raw pointer to mesh_tx.\n\nWhen hci_cmd_sync_work later processes the entry, it attempts to execute\nmesh_send_sync and its destroy callback mesh_send_start_complete using\nthe already freed mesh_tx pointer, leading to a use-after-free.\n\nFix this by invoking hci_cmd_sync_dequeue() for mesh_send_sync on the\ntarget mesh_tx before completing it. If the entry is found and dequeued,\nits destroy callback will complete and free the object; otherwise,\nmesh_send_complete() is called directly.\n\nAdditionally, ensure the transmission queue advances after cancellation\nor errors. In mesh_send_start_complete(), call mesh_next() on error\nunless err is -ECANCELED, because hci_cmd_sync_dequeue() holds\nhdev->cmd_sync_work_lock and calling mesh_next() synchronously would\ndeadlock. Instead, advance the queue in send_cancel() once the lock is\nreleased and if no transmission is in progress."
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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/mgmt.c"
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],
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"versions": [
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{
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"version": "b338d91703fae6f6afd67f3f75caa3b8f36ddef3",
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"lessThan": "f84e52829021d00bca8e067302f597c71af1f71a",
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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": "b338d91703fae6f6afd67f3f75caa3b8f36ddef3",
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"lessThan": "718a8ffa180d469f99ad4f746f00cafd39456415",
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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": "b338d91703fae6f6afd67f3f75caa3b8f36ddef3",
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"lessThan": "084be90948632a5a358821e687b11a14445aae76",
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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": "b338d91703fae6f6afd67f3f75caa3b8f36ddef3",
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"lessThan": "2189a219397d8e73808a67c4aade837b635705da",
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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": "b338d91703fae6f6afd67f3f75caa3b8f36ddef3",
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"lessThan": "03ced4687fb79286be7fdee0fc58d2c74de3e7bb",
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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": "b338d91703fae6f6afd67f3f75caa3b8f36ddef3",
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"lessThan": "71af682ba4692c2ed9ace4c3d4ca462ae368c029",
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"status": "affected",
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"versionType": "git"
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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/mgmt.c"
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],
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"versions": [
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{
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"version": "6.1",
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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": "6.1",
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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": "6.1.189",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.158",
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"lessThanOrEqual": "6.6.*",
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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": "6.12.112",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.55",
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"lessThanOrEqual": "6.18.*",
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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": "7.2.9",
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"lessThanOrEqual": "7.2.*",
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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": "7.3",
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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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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.1.189"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.6.158"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.12.112"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "6.18.55"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "7.2.9"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.1",
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"versionEndExcluding": "7.3"
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}
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]
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}
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]
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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/f84e52829021d00bca8e067302f597c71af1f71a"
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},
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{
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"url": "https://git.kernel.org/stable/c/718a8ffa180d469f99ad4f746f00cafd39456415"
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},
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{
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"url": "https://git.kernel.org/stable/c/084be90948632a5a358821e687b11a14445aae76"
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},
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{
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"url": "https://git.kernel.org/stable/c/2189a219397d8e73808a67c4aade837b635705da"
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},
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{
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"url": "https://git.kernel.org/stable/c/03ced4687fb79286be7fdee0fc58d2c74de3e7bb"
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},
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{
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"url": "https://git.kernel.org/stable/c/71af682ba4692c2ed9ace4c3d4ca462ae368c029"
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}
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],
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"title": "Bluetooth: mgmt: Dequeue pending mesh_send_sync entries on cancel",
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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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}
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} |