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Status published
Unknown
CVE-2025-40286
smb/server: fix possible memory leak in smb2_read()
Vulnerability 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().
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://git.kernel.org/stable/c/0797c6cf3b857cc229ab2bc69552938dcd738d78
- https://git.kernel.org/stable/c/63d8706a2c09a0c29b8b0e8a44bc7a1339685de9
- https://git.kernel.org/stable/c/f1305587731886da37a214cda812ade246c653b0
- https://git.kernel.org/stable/c/bfda5422a16651d0bf864ec468b1c216e1b10d91
- https://git.kernel.org/stable/c/6fced056d2cc8d01b326e6fcfabaacb9850b71a4
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Affected Vendor
Linux
View all reports →Affected Software
Linux
Vulnerable Versions:
e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9, 5.15, 0, 6.1.159, 6.6.117, 6.12.59, 6.17.9, 6.18
Timeline
Official Publish:
December 6th, 2025
Last Modified:
May 11th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.