CVE-2025-37808
crypto: null - Use spin lock instead of mutex
Description
In the Linux kernel, the following vulnerability has been resolved: crypto: null - Use spin lock instead of mutex As the null algorithm may be freed in softirq context through af_alg, use spin locks instead of mutexes to protect the default null algorithm.
INFO
Published Date :
May 8, 2025, 7:15 a.m.
Last Modified :
Nov. 10, 2025, 5:31 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.
- Apply relevant patches.
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-2025-37808.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-37808 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-2025-37808
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-2025-37808 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-37808 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]
Nov. 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 NVD-CWE-noinfo Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.13 up to (excluding) 6.14.5 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 up to (excluding) 6.12.26 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.6.89 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.181 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.136 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.237 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 5.4.293 Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Added Reference Type kernel.org: https://git.kernel.org/stable/c/0486de3c1b8223138dcc614846bd76364f758de6 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1b66a5920b7fc7cc6251192a3fcad115b6d75dd5 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/1dd4a8561d85dea545cf93f56efc48df8176e218 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8cf2945512a8c0ef74ddd5b5a4f6b6a2fb1a4efb Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/dcc47a028c24e793ce6d6efebfef1a1e92f80297 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e27244cbe10658a66b8775be7f0acc4ad2f618d6 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/e307c54ac8198bf09652c72603ba6e6d97798410 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f7a5a5c8e1ec16a4b2041398abe95de0e14572ef Types: Patch Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Types: Mailing List Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html Types: Mailing List -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 03, 2025
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html Added Reference https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html -
New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 08, 2025
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: crypto: null - Use spin lock instead of mutex As the null algorithm may be freed in softirq context through af_alg, use spin locks instead of mutexes to protect the default null algorithm. Added Reference https://git.kernel.org/stable/c/0486de3c1b8223138dcc614846bd76364f758de6 Added Reference https://git.kernel.org/stable/c/1b66a5920b7fc7cc6251192a3fcad115b6d75dd5 Added Reference https://git.kernel.org/stable/c/1dd4a8561d85dea545cf93f56efc48df8176e218 Added Reference https://git.kernel.org/stable/c/8cf2945512a8c0ef74ddd5b5a4f6b6a2fb1a4efb Added Reference https://git.kernel.org/stable/c/dcc47a028c24e793ce6d6efebfef1a1e92f80297 Added Reference https://git.kernel.org/stable/c/e27244cbe10658a66b8775be7f0acc4ad2f618d6 Added Reference https://git.kernel.org/stable/c/e307c54ac8198bf09652c72603ba6e6d97798410 Added Reference https://git.kernel.org/stable/c/f7a5a5c8e1ec16a4b2041398abe95de0e14572ef