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vuln-cve/data/2026/98xxx/CVE-2026-98297.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-98297",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-09-25T10:25:14.337Z",
"datePublished": "2026-10-06T08:45:55.723Z",
"dateUpdated": "2026-10-30T12:38:01.528Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:38:01.528Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: hci_core: Fix queuing tx_work after workqueue is drained\n\nhci_send_acl(), hci_send_sco() and hci_send_iso() queue hdev->tx_work\nunconditionally. They can run from the L2CAP/SCO/ISO socket send path\nwhile hci_dev_close_sync() is draining hdev->workqueue (HCIDEVDOWN\nracing with a socket write). Since that queue_work() is not chained\nwork from the tx_work worker itself, __queue_work() sees the queue\nmarked __WQ_DRAINING, warns \"cannot queue %ps on wq %s\", and drops\nthe work:\n\n WARNING: CPU: 1 PID: 5985 at kernel/workqueue.c:2352 __queue_work\n Call Trace:\n queue_work_on\n l2cap_chan_send\n l2cap_sock_sendmsg\n ...\n\nhci_dev_close_sync() already sets HCI_CMD_DRAIN_WORKQUEUE before\ndraining, but only hci_cmd_work() and handle_cmd_cnt_and_timer()\ncheck it before queuing. Route the tx_work producers through the\nsame guard via a shared hci_sched_tx() helper."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/bluetooth/hci_core.c"
],
"versions": [
{
"version": "ccf07dfb9d7d1e2c7a1eeb782f90d9b614ebba9c",
"lessThan": "9943b4c70ad972f368705da8605054f865b08dad",
"status": "affected",
"versionType": "git"
},
{
"version": "7b81c1378b79c3143ca3fdb3d18ac0f01cbabb21",
"lessThan": "8010212197d4a3ee714f78ed77048d0b712ff925",
"status": "affected",
"versionType": "git"
},
{
"version": "9cebe4680bb9a72f80c6541eb24af06db7a1fbc9",
"lessThan": "ab0678a0701ac4de499428dc1b321659bb74d272",
"status": "affected",
"versionType": "git"
},
{
"version": "47330cc875b36a1cf7b3543cb2cf90a7c603ce0e",
"lessThan": "e220c1242a643d97102a79f09b7ef3aa31276961",
"status": "affected",
"versionType": "git"
},
{
"version": "525daaea459fc215f432de1b8debbd9144bf97b0",
"lessThan": "cbb325bc150e8c0dbce004ac0e5516bcffc0de31",
"status": "affected",
"versionType": "git"
},
{
"version": "525daaea459fc215f432de1b8debbd9144bf97b0",
"lessThan": "6610c6fe4b8936c232048e6049bf77c70a6f759c",
"status": "affected",
"versionType": "git"
},
{
"version": "60bceb9a4c693e68cc90ba4b2dfb9e000e8638ff",
"status": "affected",
"versionType": "git"
},
{
"version": "6.12.93",
"lessThan": "6.12.112",
"status": "affected",
"versionType": "semver"
},
{
"version": "6.18.35",
"lessThan": "6.18.54",
"status": "affected",
"versionType": "semver"
},
{
"version": "7.0.12",
"lessThan": "7.1",
"status": "affected",
"versionType": "semver"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"net/bluetooth/hci_core.c"
],
"versions": [
{
"version": "7.1",
"status": "affected"
},
{
"version": "0",
"lessThan": "7.1",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.112",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.54",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.2.8",
"lessThanOrEqual": "7.2.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.3",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.12.93",
"versionEndExcluding": "6.12.112"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "6.18.35",
"versionEndExcluding": "6.18.54"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "7.1",
"versionEndExcluding": "7.2.8"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "7.1",
"versionEndExcluding": "7.3"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "7.0.12"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/9943b4c70ad972f368705da8605054f865b08dad"
},
{
"url": "https://git.kernel.org/stable/c/8010212197d4a3ee714f78ed77048d0b712ff925"
},
{
"url": "https://git.kernel.org/stable/c/ab0678a0701ac4de499428dc1b321659bb74d272"
},
{
"url": "https://git.kernel.org/stable/c/e220c1242a643d97102a79f09b7ef3aa31276961"
},
{
"url": "https://git.kernel.org/stable/c/cbb325bc150e8c0dbce004ac0e5516bcffc0de31"
},
{
"url": "https://git.kernel.org/stable/c/6610c6fe4b8936c232048e6049bf77c70a6f759c"
}
],
"title": "Bluetooth: hci_core: Fix queuing tx_work after workqueue is drained",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
}
}