{"action":"Upgrade linux to 6.4.4-1 or later.","affected":[{"fixed":"6.4.4-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.4.4-1"],"id":"tcs_01M5NJNXCS1504TDNMJR5S8C8D","modified_at":"2026-10-26T18:02:52.503329755Z","published_at":"2025-09-16T08:15:38.313Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-53291","https://security-tracker.debian.org/tracker/CVE-2023-53291"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-53291#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-53291"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: rcu/rcuscale: Stop kfree_scale_thread thread(s) after unloading rcuscale Running the 'kfree_rcu_test' test case [1] results in a spl"}