CVE-2025-40080
Published: October 29, 2025Last modified: October 29, 2025
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.
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | linux-lts | Fixed (6.1.156-r0) |
| 25 LTS | linux-lts | Fixed (6.12.53-r0) | |
| Stream | linux-lts | Fixed (6.12.53-r0) |
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