Exposure of Private Information ('Privacy Violation') in Linux kernel - CVE-2026-23370
Published: March 25, 2026
Vulnerability identifier: #VU124468
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23370
CWE-ID: CWE-359
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to disclose sensitive information.
The vulnerability exists due to improper output neutralization in the dell-wmi-sysman driver when handling password data. A local user can access kernel logs to disclose sensitive information.
The vulnerability specifically involves the logging of plaintext passwords via a hex dump in the set_new_password() function, which could expose current and new passwords.
How to mitigate CVE-2026-23370
Install security update from vendor's repository.
Sources
- https://git.kernel.org/stable/c/0e6115c2f2facaed9593c16ad2e5accd487f5c52
- https://git.kernel.org/stable/c/411ba3cd837f7825c0e648e155bc505641f95854
- https://git.kernel.org/stable/c/5de34126fb2edf8ab7f25d677b132e92d8bf9ede
- https://git.kernel.org/stable/c/d1a196e0a6dcddd03748468a0e9e3100790fc85c
- https://git.kernel.org/stable/c/d78e74adc5cfff7afd9d03b9da8058a7e435f9bc
- https://git.kernel.org/stable/c/d9e785bd62d2ac23cf29a75dcfea8c8087fd3870