CVE-2025-71150
kernel: Linux kernel ksmbd: Denial of Service via reference count leak
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · January 23, 2026
Updated · August 15, 2026
Description
A flaw was found in the Linux kernel's ksmbd component. This vulnerability allows a local authenticated user to cause a system to become unavailable, leading to a Denial of Service (DoS). The issue occurs due to a missing step in managing system resources when an invalid network session is detected, causing a resource to be held indefinitely.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-772 · Missing Release of Resource after Effective Lifetime