CVE-2025-21936
5.5
MEDIUM
CVSS 3.1
EPSS 0.02%
Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Add check for mgmt_alloc_skb() in mgmt_device_connected() Add check for the return value of mgmt_alloc_skb() in mgmt_device_connected() to prevent null pointer dereference.
How to fix CVE-2025-21936
To remediate CVE-2025-21936, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 6.1.133-1 or later
- —upgrade to 6.1.137-1~deb11u1 or later
Is CVE-2025-21936 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.1.133-1
- from 0, < 6.1.137-1~deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |