CVE-2025-21918
usb: typec: ucsi: Fix NULL pointer access
Description
In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Fix NULL pointer access Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated workqueue to complete before deallocating them.
INFO
Published Date :
April 1, 2025, 4:15 p.m.
Last Modified :
April 11, 2025, 1:16 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to the latest stable version.
- Apply the patch for the UCSI driver NULL pointer fix.
- Ensure all threads using resources are terminated before deallocation.
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-2025-21918.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-21918 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-2025-21918
weaknesses.
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-2025-21918 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-21918 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.
-
Initial Analysis by [email protected]
Apr. 11, 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) 5.16 up to (excluding) 6.1.133 *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/079a3e52f3e751bb8f5937195bdf25c5d14fdff0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1 Types: Patch -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Apr. 07, 2025
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/7a735a8a46f6ebf898bbefd96659ca5da798bce0 -
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: usb: typec: ucsi: Fix NULL pointer access Resources should be released only after all threads that utilize them have been destroyed. This commit ensures that resources are not released prematurely by waiting for the associated workqueue to complete before deallocating them. Added Reference https://git.kernel.org/stable/c/079a3e52f3e751bb8f5937195bdf25c5d14fdff0 Added Reference https://git.kernel.org/stable/c/46fba7be161bb89068958138ea64ec33c0b446d4 Added Reference https://git.kernel.org/stable/c/592a0327d026a122e97e8e8bb7c60cbbe7697344 Added Reference https://git.kernel.org/stable/c/b13abcb7ddd8d38de769486db5bd917537b32ab1