CVE-2025-21936
Linux Kernel Null Pointer Dereference in Bluetooth
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.
INFO
Published Date :
April 1, 2025, 4:15 p.m.
Last Modified :
April 10, 2025, 6:06 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-21936.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-21936 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-21936 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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Initial Analysis by [email protected]
Apr. 10, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-476 Added CPE Configuration OR *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:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.13.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.17 up to (excluding) 6.1.131 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.83 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.19 Added Reference Type kernel.org: https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969 Types: Patch -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Apr. 01, 2025
Action Type Old Value New Value Added 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. Added Reference https://git.kernel.org/stable/c/7841180342c9a0fd97d54f3e62c7369309b5cd84 Added Reference https://git.kernel.org/stable/c/7d39387886ffe220323cbed5c155233c3276926b Added Reference https://git.kernel.org/stable/c/bdb1805c248e9694dbb3ffa8867cef2e52cf7261 Added Reference https://git.kernel.org/stable/c/d8df010f72b8a32aaea393e36121738bb53ed905 Added Reference https://git.kernel.org/stable/c/dc516e66fb28c61b248b393e2ddd63bd7f104969
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-21936 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-21936
weaknesses.