Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nbd: restrict sockets to TCP and UDP Recently, syzbot started to abuse NBD with all kinds of sockets. Commit cf1b2326b734 ("nbd: verify socket is supported during setup") made sure the socket supported a shutdown() method. Explicitely accept TCP and UNIX stream sockets.
References
- https://git.kernel.org/stable/c/37ad11f20e164c23ce827dd455b42c0fdd29685c
- https://git.kernel.org/stable/c/4f9e6ff6319dbcebea64b50af0304cf0ad7e97e7
- https://git.kernel.org/stable/c/808e2335bc1cf2293b9e36ccc94c267c81509c71
- https://git.kernel.org/stable/c/9f7c02e031570e8291a63162c6c046dc15ff85b0
- https://git.kernel.org/stable/c/c365e8f20f4201d873a70385bd919f0fb531e960
FAQ
What is CVE-2025-40080?
CVE-2025-40080 is a documented vulnerability. In the Linux kernel, the following vulnerability has been resolved: nbd: restrict sockets to TCP and UDP Recently, syzbot started to abuse NBD with all kinds of sockets. Commit cf1b2326b734 ("nbd: ...
How severe is CVE-2025-40080?
CVSS scoring is not yet available for CVE-2025-40080. Check NVD for updates.
Is there a patch for CVE-2025-40080?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.