CVE-2026-23142

CVE-2026-23142 addresses a resource leak vulnerability in the Linux kernel's DAMON sysfs interface. Specifically, if the setup of a DAMOS-scheme DAMON sysfs directory fails after the access_pattern/ directory is created, its subdirectories are not properly cleaned up, leading to a memory leak and a broken sysfs interface until reboot. This vulnerability has no assigned CVSS score, but its FAUCET Risk Score is 20/100, indicating a low-to-moderate risk. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.