Bluetooth: btusb: mediatek: add intf release flow when usb disconnect

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-56757
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-01-06 17:15:40 UTC
Updated2026-08-04 11:22:26 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: Bluetooth: btusb: mediatek: add intf release flow when usb disconnect MediaTek claim an special usb intr interface for ISO data transmission. The interface need to be released before unregistering hci device when usb disconnect. Removing BT usb dongle without properly releasing the interface may cause Kernel panic while unregister hci device.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.002290000 probability, percentile 0.137240000 (date 2026-08-06)

Problem Types: CWE-404 | CWE-404 CWE-404 Improper Resource Shutdown or Release

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1ADPDECLARED5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary5.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected ceac1cb0259de682d78f5c784ef8e0b13022e9d9 cc569d791ab2a0de74f76e470515d25d24c9b84b git Not specified
CNA Linux Linux affected ceac1cb0259de682d78f5c784ef8e0b13022e9d9 489304e67087abddc2666c5af0159cb95afdcf59 git Not specified
CNA Linux Linux affected 6.11 Not specified
CNA Linux Linux unaffected 6.11 semver Not specified
CNA Linux Linux unaffected 6.12.8 6.12.* semver Not specified
CNA Linux Linux unaffected 6.13 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/cc569d791ab2a0de74f76e470515d25d24c9b84b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/489304e67087abddc2666c5af0159cb95afdcf59 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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