- Vulnerability/
- CVE-2025-37808
CVE-2025-37808: crypto: null - Use spin lock instead of mutex
First published: Thu May 08 2025(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://git.kernel.org/stable/c/f7a5a5c8e1ec16a4b2041398abe95de0e14572ef
- https://git.kernel.org/stable/c/e307c54ac8198bf09652c72603ba6e6d97798410
- https://git.kernel.org/stable/c/1dd4a8561d85dea545cf93f56efc48df8176e218
- https://git.kernel.org/stable/c/e27244cbe10658a66b8775be7f0acc4ad2f618d6
- https://git.kernel.org/stable/c/1b66a5920b7fc7cc6251192a3fcad115b6d75dd5
- https://git.kernel.org/stable/c/0486de3c1b8223138dcc614846bd76364f758de6
- https://git.kernel.org/stable/c/8cf2945512a8c0ef74ddd5b5a4f6b6a2fb1a4efb
- https://git.kernel.org/stable/c/dcc47a028c24e793ce6d6efebfef1a1e92f80297
Frequently Asked Questions
What is the severity of CVE-2025-37808?
The severity of CVE-2025-37808 is classified as moderate due to potential denial of service risks.
How do I fix CVE-2025-37808?
To fix CVE-2025-37808, update your Linux kernel to the latest patch version where the vulnerability has been resolved.
What is affected by CVE-2025-37808?
CVE-2025-37808 affects the Linux kernel specifically in implementations using the null cipher algorithm.
What exploitation methods are possible with CVE-2025-37808?
Exploitation of CVE-2025-37808 could potentially allow an attacker to cause a denial of service due to improper locking mechanisms.
How can I determine if my system is vulnerable to CVE-2025-37808?
You can determine if your system is vulnerable to CVE-2025-37808 by checking the version of your Linux kernel against the patched versions.
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/references
- agent/type
- agent/description
- agent/first-publish-date
- agent/guess-ai
- agent/software-canonical-lookup
- agent/softwarecombine
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/author
- agent/source
- agent/tags
- agent/event
- vendor/linux
- canonical/linux kernel