CVE-2024-26936

Published: May 2, 2024Last modified: May 2, 2024

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.

Status

References

• https://git.kernel.org/stable/c/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a
• https://git.kernel.org/stable/c/21ff9d7d223c5c19cb4334009e4c0c83a2f4d674
• https://git.kernel.org/stable/c/2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6
• https://git.kernel.org/stable/c/5c20b242d4fed73a93591e48bfd9772e2322fb11
• https://git.kernel.org/stable/c/8f3d0bf1d0c62b539d54c5b9108a845cff619b99