ksmbd: validate request buffer size in smb2_allocate_rsp_buf()
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate request buffer size in smb2_allocate_rsp_buf() The response buffer should be allocated in smb2_allocate_rsp_buf before validating request. But the fields in payload as well as smb2 header is used in smb2_allocate_rsp_buf(). This patch add simple buffer size validation to avoid potencial out-of-bounds in request buffer.
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/8f3d0bf1d0c62b539d54c5b9108a845cff619b99
- https://git.kernel.org/stable/c/21ff9d7d223c5c19cb4334009e4c0c83a2f4d674
- https://git.kernel.org/stable/c/5c20b242d4fed73a93591e48bfd9772e2322fb11
- https://git.kernel.org/stable/c/2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6
- https://git.kernel.org/stable/c/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
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