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().

References

• https://nvd.nist.gov/vuln/detail/CVE-2025-40286
• https://git.kernel.org/stable/c/0797c6cf3b857cc229ab2bc69552938dcd738d78
• https://git.kernel.org/stable/c/63d8706a2c09a0c29b8b0e8a44bc7a1339685de9
• https://git.kernel.org/stable/c/6fced056d2cc8d01b326e6fcfabaacb9850b71a4
• https://git.kernel.org/stable/c/bfda5422a16651d0bf864ec468b1c216e1b10d91
• https://git.kernel.org/stable/c/f1305587731886da37a214cda812ade246c653b0