Memory leak in Linux kernel - CVE-2026-23038

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Main Vulnerability Database Vulnerabilities #VU122162

Memory leak in Linux kernel - CVE-2026-23038

Published: February 2, 2026


Vulnerability identifier: #VU122162
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23038
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak within the nfs4_ff_alloc_deviceid_node() function in fs/nfs/flexfilelayout/flexfilelayoutdev.c. A local user can perform a denial of service (DoS) attack.


How to mitigate CVE-2026-23038

Install update from vendor's repository.

Sources