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CVE-2025-40080

nbd: restrict sockets to TCP and UDP

EPSS 0.2%
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.
Produtos afetados
Linux · Linux

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Referências
https://git.kernel.org/stable/c/37ad11f20e164c23ce827dd455b42c0fdd29685chttps://git.kernel.org/stable/c/4f9e6ff6319dbcebea64b50af0304cf0ad7e97e7https://git.kernel.org/stable/c/808e2335bc1cf2293b9e36ccc94c267c81509c71https://git.kernel.org/stable/c/9f7c02e031570e8291a63162c6c046dc15ff85b0https://git.kernel.org/stable/c/c365e8f20f4201d873a70385bd919f0fb531e960