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CVE-2026-23303 smb: client: Don't log plaintext credentials in cifs_set_cifscreds
Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: Don't log plaintext credentials in cifs_set_cifscreds When debug logging is enabled, cifs_set_cifscreds() logs the key payload and exposes the plaintext username and password. Remove the debug log to avoid exposing credentials.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux 7.0 | earliest → < 7.0 | 7.0 |
| Linux 6.19 | earliest → < 6.19.7 | 6.19.7 |
| Linux 6.18 | earliest → < 6.18.17 | 6.18.17 |
| Linux 6.12 | earliest → < 6.12.77 | 6.12.77 |
| Linux 6.6 | earliest → < 6.6.130 | 6.6.130 |
| Linux 6.1 | earliest → < 6.1.167 | 6.1.167 |
| Linux 5.15 | earliest → < 5.15.203 | 5.15.203 |
| Linux 5.10 | earliest → < 5.10.253 | 5.10.253 |
| Linux | 3.3 | No fix stated |
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| Product | Affected versions | Fixed in |
|---|---|---|
| SIMATIC S7-1500 TM MFP - GNU/Linux subsystem | Versions not published |
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8.1
High