CVE-2025-38117: Bluetooth: MGMT: Protect mgmt_pending list with its own lock

Published Jul 3, 2025
·
Updated

Bluetooth: MGMT: Protect mgmtpending list with its own lock

Affected Software

8 affected componentsFixes available
Linux Linux kernel
Linux Linux kernel>=4.1<6.6.94
Linux Linux kernel>=6.7<6.12.34
Linux Linux kernel>=6.13<6.15.3
Linux Linux kernel=6.16-rc1
Microsoft cbl2 kernel 5.15.186.1-1
Microsoft azl3 kernel 6.6.96.1-1
Microsoft azl3 kernel 6.6.92.2-2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Patch BUG: KASAN: slab-use-after-free in hci_sock_get_channel+0x60/0x68 net/bluetooth/hci_sock.c:91

Event History

Jul 3, 2025
CVE Published
via MITRE·08:35 AM
Data Sourced
via MITRE·08:35 AM
DescriptionSeverity
Data Sourced
via NVD·09:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Aug 7, 2025
Data Sourced
via Microsoft·12:00 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·07:00 AM
SeverityAffected Software
Updated
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity

Frequently Asked Questions

1

What is the severity of CVE-2025-38117?

CVE-2025-38117 is classified as a medium severity vulnerability due to potential crashes caused by improper concurrency handling.

2

How do I fix CVE-2025-38117?

To fix CVE-2025-38117, update to the latest version of the Linux kernel where the vulnerability has been patched.

3

What systems are affected by CVE-2025-38117?

CVE-2025-38117 affects the Linux kernel, specifically versions that utilize the Bluetooth management subsystem.

4

What types of exploits are possible with CVE-2025-38117?

Exploiting CVE-2025-38117 can lead to unexpected crashes of the Bluetooth subsystem in the affected Linux kernel.

5

Is CVE-2025-38117 present in older Linux kernel versions?

Yes, CVE-2025-38117 is present in older Linux kernel versions prior to the issuance of the corresponding patch.

Contact

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