#VU124559 Missing release of memory after effective lifetime in Linux kernel - CVE-2026-23297

 

#VU124559 Missing release of memory after effective lifetime in Linux kernel - CVE-2026-23297

Published: March 25, 2026


Vulnerability identifier: #VU124559
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-23297
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper memory management in the nfsd component when handling netlink requests. A local user can trigger a memory leak to cause a denial of service.

Memory leak occurs in nfsd_nl_threads_set_doit() due to failure to release a reference to struct cred obtained via get_current_cred().


Remediation

Install security update from vendor's repository.

External links