CVE-2025-40286
UnknownEPSS 0.17%
Last modified
CVE-2025-40286 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible memory leak in smb2_read() Memory leak occurs when ksmbd_vfs_read() fails. Fix this by adding the missing kvfree().. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
In the Linux kernel, the following vulnerability has been resolved: smb/server: fix possible memory leak in smb2_read() Memory leak occurs when ksmbd_vfs_read() fails. Fix this by adding the missing kvfree().
Metrics
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9, < 0797c6cf3b857cc229ab2bc69552938dcd738d78; >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9, < 63d8706a2c09a0c29b8b0e8a44bc7a1339685de9; >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9, < f1305587731886da37a214cda812ade246c653b0; >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9, < bfda5422a16651d0bf864ec468b1c216e1b10d91; >= e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9, < 6fced056d2cc8d01b326e6fcfabaacb9850b71a4 |
| Linux | Linux | 5.15 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2025-40286?
In the Linux kernel, the following vulnerability has been resolved:
smb/server: fix possible memory leak in smb2_read()
Memory leak occurs when ksmbd_vfs_read() fails.
Fix this by adding the missing kvfree().
How severe is CVE-2025-40286?
Severity scoring for CVE-2025-40286 is pending analysis. The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2025-40286?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2025-40286?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST