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CVE-2024-38620

Bluetooth: HCI: Remove HCI_AMP support

MEDIUM
5.5
CVSS Score
Published: June 20, 2024 at 08:03 AM UTC
Updated: August 23, 2026 at 01:16 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: HCI: Remove HCI_AMP support Since BT_HS has been remove HCI_AMP controllers no longer has any use so remove it along with the capability of creating AMP controllers. Since we no longer need to differentiate between AMP and Primary controllers, as only HCI_PRIMARY is left, this also remove hdev->dev_type altogether.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
95%
4.3 ≤ v < 6.1.1844.3 ≤ v < 6.104.3 ≤ v < 6.6.334.3 ≤ v < 6.8.124.3 ≤ v < 6.9.36.7 ≤ v < 6.8.126.9 ≤ v < 6.9.3244bc377591c3882f454882357bc730c90cbedb54.3
Vendor states this is fixed in 5af2e235b0d5b797e9531a00c50058319130e156 (fixed)
Vendor states this is fixed in 84a4bb6548a29326564f0e659fb8064503ecc1c7 (fixed)
Vendor states this is fixed in 9e6cf0eccfe15b67bf9773ecd101162dfdfed5e2 (fixed)
Vendor states this is fixed in af1d425b6dc67cd67809f835dd7afb6be4d43e03 (fixed)
Vendor states this is fixed in d3c7b012d912b31ad23b9349c0e499d6dddd48ec (fixed)
Vendor states this is fixed in 4.3 (unaffected)
Vendor states this is fixed in 6.1.184 (unaffected)
Vendor states this is fixed in 6.10 (unaffected)
Vendor states this is fixed in 6.6.33 (unaffected)
Vendor states this is fixed in 6.8.12 (unaffected)
Vendor states this is fixed in 6.9.3 (unaffected)

References (5)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5af2e235b0d5b797e9531a00c50058319130e156
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/84a4bb6548a29326564f0e659fb8064503ecc1c7
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/af1d425b6dc67cd67809f835dd7afb6be4d43e03
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d3c7b012d912b31ad23b9349c0e499d6dddd48ec
Source: cverecord
https://git.kernel.org/stable/c/9e6cf0eccfe15b67bf9773ecd101162dfdfed5e2

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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