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CVE-2026-23303

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

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.10.253, 5.15.203, 6.1.167, 6.6.130, 6.12.77, and 2 more
None on Exploit-DB, Metasploit or GitHub

Summary

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.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 · fixed in e5a3b11e07b335006371915b2da47b6056c9e3bc; From 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 · fixed in 54c570de9a35860dfa85fe668f23ddfda8cc7e26; From 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 · fixed in ff0ece8ed04180c52167c003362284b23cf54e8d; From 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 · fixed in 3990f352bb0adc8688d0949a9c13e3110570eb61; From 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 · fixed in b746a357abfb8fdb0a171d51ec5091e786d34be1; From 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 · fixed in 2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1; From 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 · fixed in 3e182701db612ddd794ccd5ed822e6cc1db2b972; From 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 · fixed in 2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d

  • Linux Linux

    3.3

  • KernelLinux

    From 3.3.0 · fixed in 5.10.253; From 5.11.0 · fixed in 5.15.203; From 5.16.0 · fixed in 6.1.167; From 6.2.0 · fixed in 6.6.130; From 6.7.0 · fixed in 6.12.77; From 6.13.0 · fixed in 6.18.17; From 6.19.0 · fixed in 6.19.7

References 8

git.kernel.org