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CVE-2025-40080 In the Linux kernel, the following vulnerability has been resolved: nbd: restrict sockets to TCP and UDP Recently,…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 6.18 | earliest → < 6.18 | 6.18 |
| Linux 6.17 | earliest → < 6.17.3 | 6.17.3 |
| Linux 6.12 | earliest → < 6.12.53 | 6.12.53 |
| Linux 6.6 | earliest → < 6.6.112 | 6.6.112 |
| Linux 6.1 | earliest → < 6.1.156 | 6.1.156 |
| Linux | 5.4 | No fix stated |
| SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
| SIPLUS S7-1500 CPU 1518-4 PN/DP MFP 3.1 | 3.1.7 → latest | No fix stated |
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8.1
High