CVE-2026-23303smb: client: Don't log plaintext credentials in cifs_set_cifscreds
Updated under an hour ago ()
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It affects Linux and 2 other products. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- Not given
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Linux
- NVD analysis
- Modified
- Record last updated
- Oct 15, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Linux Linux linux:linux (from the name) | from 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 before e5a3b11e07b335006371915b2da47b6056c9e3bc; from 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 before 54c570de9a35860dfa85fe668f23ddfda8cc7e26; from 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 before ff0ece8ed04180c52167c003362284b23cf54e8d; from 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 before 3990f352bb0adc8688d0949a9c13e3110570eb61; from 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 before b746a357abfb8fdb0a171d51ec5091e786d34be1; 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 builds before 2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1; 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 builds before 3e182701db612ddd794ccd5ed822e6cc1db2b972; 8a8798a5ff90977d6459ce1d657cf8fe13a51e97 builds before 2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d | CNA record |
Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem siemens:simatic_s7_1500_tm_mfp_gnu_linux_subsystem (from the name) | all versions | CISA ADP |
linux linux_kernel linux:linux_kernel | from 3.3.1 before 5.10.253; from 5.11 before 5.15.203; from 5.16 before 6.1.167; from 6.2 before 6.6.130; from 6.7 before 6.12.77; from 6.13 before 6.18.17; from 6.19 before 6.19.7; 3.3; and 7 more ranges | NVD |
References
- https://git.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bcpatch
- https://git.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26patch
- https://git.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8dpatch
- https://git.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61patch
- https://git.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1patch
- https://git.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1patch
- https://git.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972patch
- https://git.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4dpatch
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.