CVE-2025-40080

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. Explicitel...

UBUNTU-CVE-2025-40080

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. Explicitel...

CVE-2025-40080 nbd: restrict sockets to TCP and UDP

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. Explicitel...

CVE-2025-40080

CVE-2025-40080 affects the Linux kernel NBD subsystem, where sockets were restricted to TCP/UDP. The root cause was mitigated by a commit that verifies the socket type during setup and ensures the socket supports shutdown(), explicitly accepting TCP and UNIX stream sockets. Public advisories indi...