CVE-2026-98295
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: coredump: Quiesce dump work on unregister hci_devcd_handle_pkt_init() arms dump_timeout and coredump producers queue dump_rx without holding an hdev reference. Unregister leaves both works live, so disconnecting during an active dump lets them access hdev after hci_release_dev() frees it. Shut down coredump processing during unregister. Close the producer gate under dump_q.lock before disabling both works, then free the active buffer and queued packets under hci_dev_lock. Serializing the gate with enqueue prevents controller-specific workers from adding packets after the final purge.
Severity
Not scored
CVSS score
Not available
Vulnerability status
Received
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-10-06 09:18:20.133000
Last modified
2026-10-19 10:18:31.283000
View original CVE JSON
{
"id": "CVE-2026-98295",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-10-06T09:18:20.133",
"lastModified": "2026-10-19T10:18:31.283",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nBluetooth: coredump: Quiesce dump work on unregister\n\nhci_devcd_handle_pkt_init() arms dump_timeout and coredump producers\nqueue dump_rx without holding an hdev reference. Unregister leaves both\nworks live, so disconnecting during an active dump lets them access hdev\nafter hci_release_dev() frees it.\n\nShut down coredump processing during unregister. Close the producer gate\nunder dump_q.lock before disabling both works, then free the active buffer\nand queued packets under hci_dev_lock. Serializing the gate with enqueue\nprevents controller-specific workers from adding packets after the final\npurge."
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"include/net/bluetooth/coredump.h",
"net/bluetooth/coredump.c",
"net/bluetooth/hci_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "9695ef876fd122cb7bbc04a4a93b8727d2e36bda",
"lessThan": "24af375d7d8aa5f698e4dc41317102f44114351a",
"versionType": "git",
"status": "affected"
},
{
"version": "9695ef876fd122cb7bbc04a4a93b8727d2e36bda",
"lessThan": "dcaf10ef27f928568c25de3e9fc242e538de5c67",
"versionType": "git",
"status": "affected"
},
{
"version": "9695ef876fd122cb7bbc04a4a93b8727d2e36bda",
"lessThan": "82699d1b727ba5980b94f1eb8dc3d346f41b7c67",
"versionType": "git",
"status": "affected"
},
{
"version": "9695ef876fd122cb7bbc04a4a93b8727d2e36bda",
"lessThan": "d236517c264e41dc09833c708ef23bccb7a91219",
"versionType": "git",
"status": "affected"
},
{
"version": "deb8156ebe5cb63a5988e7f86cc46aa062527c2b",
"versionType": "git",
"status": "affected"
},
{
"version": "6.1.188",
"lessThan": "6.2",
"versionType": "semver",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"include/net/bluetooth/coredump.h",
"net/bluetooth/coredump.c",
"net/bluetooth/hci_core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "6.4",
"status": "affected"
},
{
"version": "0",
"lessThan": "6.4",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.112",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18.54",
"lessThanOrEqual": "6.18.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "7.2.8",
"lessThanOrEqual": "7.2.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "7.3",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/24af375d7d8aa5f698e4dc41317102f44114351a",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/82699d1b727ba5980b94f1eb8dc3d346f41b7c67",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/d236517c264e41dc09833c708ef23bccb7a91219",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/dcaf10ef27f928568c25de3e9fc242e538de5c67",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}