CVE-2026-23303

smb: client: Don't log plaintext credentials in cifs_set_cifscreds

State: Published
Severity: Not scored
Published: Mar 25, 2026
Updated: Oct 15, 2026
Reserved: Jan 13, 2026

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before e5a3b11e07b335006371915b2da47b6056c9e3bcAffected 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 54c570de9a35860dfa85fe668f23ddfda8cc7e26Affected 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before ff0ece8ed04180c52167c003362284b23cf54e8dAffected 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 3990f352bb0adc8688d0949a9c13e3110570eb61Affected 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before b746a357abfb8fdb0a171d51ec5091e786d34be1Affected 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1Affected 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 3e182701db612ddd794ccd5ed822e6cc1db2b972Affected 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 2f37dc436d4e61ff7ae0b0353cf91b8c10396e4dAffected
LinuxLinux	3.3Affected before 3.3Not affected 5.10.253 through 5.10.Not affected 5.15.203 through 5.15.Not affected 6.1.167 through 6.1.Not affected 6.6.130 through 6.6.Not affected 6.12.77 through 6.12.Not affected 6.18.17 through 6.18.Not affected 6.19.7 through 6.19.*Not affected 7.0 and laterNot affected

Product

Versions

LinuxLinux

8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before e5a3b11e07b335006371915b2da47b6056c9e3bcAffected
8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 54c570de9a35860dfa85fe668f23ddfda8cc7e26Affected
8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before ff0ece8ed04180c52167c003362284b23cf54e8dAffected
8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 3990f352bb0adc8688d0949a9c13e3110570eb61Affected
8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before b746a357abfb8fdb0a171d51ec5091e786d34be1Affected
8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1Affected
8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 3e182701db612ddd794ccd5ed822e6cc1db2b972Affected
8a8798a5ff90977d6459ce1d657cf8fe13a51e97 to before 2f37dc436d4e61ff7ae0b0353cf91b8c10396e4dAffected

LinuxLinux

3.3Affected
before 3.3Not affected
5.10.253 through 5.10.*Not affected
5.15.203 through 5.15.*Not affected
6.1.167 through 6.1.*Not affected
6.6.130 through 6.6.*Not affected
6.12.77 through 6.12.*Not affected
6.18.17 through 6.18.*Not affected
6.19.7 through 6.19.*Not affected
7.0 and laterNot affected

References

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