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.
git.kernel.org/linus/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a
git.kernel.org/stable/c/17cf0c2794bdb6f39671265aa18aea5c22ee8c4a
git.kernel.org/stable/c/21ff9d7d223c5c19cb4334009e4c0c83a2f4d674
git.kernel.org/stable/c/2c27a64a2bc47d9bfc7c3cf8be14be53b1ee7cb6
git.kernel.org/stable/c/5c20b242d4fed73a93591e48bfd9772e2322fb11
ubuntu.com/security/CVE-2024-26936
ubuntu.com/security/notices/USN-6893-1
ubuntu.com/security/notices/USN-6893-2
ubuntu.com/security/notices/USN-6893-3
ubuntu.com/security/notices/USN-6918-1
www.cve.org/CVERecord?id=CVE-2024-26936