CVE-2025-21936

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-21936
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.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84 Patch
https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b Patch
https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261 Patch
https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905 Patch
https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969 Patch
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*
History

10 Apr 2025, 18:06

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:6.14:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.14:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: agregar verificación para mgmt_alloc_skb() en mgmt_device_connected(). Agregar verificación para el valor de retorno de mgmt_alloc_skb() en mgmt_device_connected() para evitar la desreferencia del puntero nulo.
References () https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84 - () https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84 - Patch
References () https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b - () https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b - Patch
References () https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261 - () https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261 - Patch
References () https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905 - () https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905 - Patch
References () https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969 - () https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969 - Patch
CWE CWE-476
First Time Linux linux Kernel
Linux

01 Apr 2025, 16:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-01 16:15

Updated : 2025-04-10 18:06

NVD link : CVE-2025-21936

Mitre link : CVE-2025-21936

CVE.ORG link : CVE-2025-21936

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference