Memory leak in Linux kernel - CVE-2026-90005
Published: September 16, 2026
Vulnerability identifier: #VU150274
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90005
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local privileged user to cause a denial of service.
The vulnerability exists due to missing cleanup of a DAMON context in damon_sample_wsse_start() in the DAMON wsse sample module when damon_start() fails. A local privileged user can repeatedly enable the module while another DAMON instance is running to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-90005
Install security update from vendor's repository.