CVE-2025-21936

MEDIUM EPSS 7.4%
Published Apr 1, 20251y ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Apr 1, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
7.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-476 NULL Pointer Dereference Memory Safety

Affected Products 9

VendorProductVersionRange
linuxlinux_kernel*≥5.17  –  <6.1.131
linuxlinux_kernel*≥6.2  –  <6.6.83
linuxlinux_kernel*≥6.7  –  <6.12.19
linuxlinux_kernel*≥6.13  –  <6.13.7
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any
linuxlinux_kernel6.14any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969
    Patch