206 lines
9.7 KiB
JSON
206 lines
9.7 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-2026-97977",
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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": "2026-09-25T10:18:58.208Z",
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"datePublished": "2026-09-25T10:23:15.198Z",
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"dateUpdated": "2026-10-19T09:11:44.507Z"
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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": "2026-10-19T09:11:44.507Z"
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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: btusb: Fix UAF of btusb_data by rx_work\n\nbtusb_close() and btusb_flush() cancel data->rx_work with the\nasynchronous cancel_delayed_work(), so if btusb_rx_work() is already\nrunning on another CPU it keeps running after the cancel returns.\n\nbtusb_disconnect() calls hci_unregister_dev(), which invokes\nbtusb_close(), and then frees the btusb_data. A still running\nbtusb_rx_work() then dereferences the freed data:\n\n\twhile ((skb = skb_dequeue(&data->acl_q)))\n\t\tdata->recv_acl(data->hdev, skb);\n\nUse cancel_delayed_work_sync() instead. In btusb_close() the cancel also\nhas to happen after btusb_stop_traffic(), otherwise an URB completion\nracing with the cancel can requeue the work right after it has been\nwaited for."
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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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"drivers/bluetooth/btusb.c"
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],
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"versions": [
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{
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"version": "800fe5ec302e1ebbf5e3f891f886deecd49c7132",
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"lessThan": "fc654a72a8d979db15e2773a481e931abaf5a9e8",
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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": "800fe5ec302e1ebbf5e3f891f886deecd49c7132",
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"lessThan": "5242050195a711e9cd6a9935f689ab6656b94a91",
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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": "800fe5ec302e1ebbf5e3f891f886deecd49c7132",
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"lessThan": "472d005622525b7be155cac99dde2252b0163bd1",
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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": "800fe5ec302e1ebbf5e3f891f886deecd49c7132",
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"lessThan": "93b59937bda3fffc6386c79f5544a39bc680c8e8",
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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": "800fe5ec302e1ebbf5e3f891f886deecd49c7132",
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"lessThan": "fa391adb9c755515a89993634745e9079e5ef37c",
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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": "800fe5ec302e1ebbf5e3f891f886deecd49c7132",
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"lessThan": "1c12c3117639e78940959d956519c758c57d0849",
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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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"drivers/bluetooth/btusb.c"
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],
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"versions": [
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{
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"version": "5.17",
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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": "5.17",
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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": "6.12.111",
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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": "6.18.53",
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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": "7.2.7",
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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": "5.17",
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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": "5.17",
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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": "5.17",
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"versionEndExcluding": "6.12.111"
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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": "5.17",
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"versionEndExcluding": "6.18.53"
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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": "5.17",
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"versionEndExcluding": "7.2.7"
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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": "5.17",
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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/fc654a72a8d979db15e2773a481e931abaf5a9e8"
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},
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{
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"url": "https://git.kernel.org/stable/c/5242050195a711e9cd6a9935f689ab6656b94a91"
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},
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{
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"url": "https://git.kernel.org/stable/c/472d005622525b7be155cac99dde2252b0163bd1"
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},
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{
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"url": "https://git.kernel.org/stable/c/93b59937bda3fffc6386c79f5544a39bc680c8e8"
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},
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{
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"url": "https://git.kernel.org/stable/c/fa391adb9c755515a89993634745e9079e5ef37c"
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},
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{
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"url": "https://git.kernel.org/stable/c/1c12c3117639e78940959d956519c758c57d0849"
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}
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],
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"title": "Bluetooth: btusb: Fix UAF of btusb_data by rx_work",
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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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} |