CVE-2025-40203
Last modified
CVE-2025-40203 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. In the Linux kernel, the following vulnerability has been resolved: listmount: don't call path_put() under namespace semaphore Massage listmount() and make sure we don't call path_put() under the namespace semaphore. If we put the last reference we're fscked.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: listmount: don't call path_put() under namespace semaphore Massage listmount() and make sure we don't call path_put() under the namespace semaphore. If we put the last reference we're fscked.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d, < 659874b7ee4976ad9ce476e07fd36bc67b3537f1; >= b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d, < 9c80da26fda2fdcaac7f92b5908875b3108830ff; >= b4c2bea8ceaa50cd42a8f73667389d801a3ecf2d, < c1f86d0ac322c7e77f6f8dbd216c65d39358ffc0 |
| Linux | Linux | 6.8 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2025-40203?
How severe is CVE-2025-40203?
How do I fix CVE-2025-40203?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2025
- CVE-2025-40198In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2025-40199In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2025-4020A vulnerability was found in PHPGurukul Old Age Home Managem…9.8
- CVE-2025-40200In the Linux kernel, the following vulnerability has been re…
- CVE-2025-40201In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2025-40202In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2025-40204In the Linux kernel, the following vulnerability has been re…8.1
- CVE-2025-40205In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2025-40206In the Linux kernel, the following vulnerability has been re…7.8
- CVE-2025-40207In the Linux kernel, the following vulnerability has been re…
- CVE-2025-40208In the Linux kernel, the following vulnerability has been re…
- CVE-2025-40209In the Linux kernel, the following vulnerability has been re…
Are you affected by CVE-2025-40203?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST