Improper initialization in Linux kernel - CVE-2026-89618
Published: September 12, 2026
Vulnerability identifier: #VU149180
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89618
CWE-ID: CWE-665
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a false warning.
The vulnerability exists due to improper initialization in eventfs_inode list heads when eventfs_create_dir() fails due to memory pressure. A local user can trigger directory creation failure due to memory pressure to cause a false warning.
Affected software
Linux kernel
How to mitigate CVE-2026-89618
Install security update from vendor's repository.