{"action":"Upgrade linux to 6.1.133-1 or later.","affected":[{"fixed":"6.1.133-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.1.133-1"],"id":"tcs_01M5NN3FSS04WMZE1JRSCDBQSE","modified_at":"2026-10-16T09:47:27.298645543Z","published_at":"2025-04-01T16:15:24.667Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21938","https://security-tracker.debian.org/tracker/CVE-2025-21938"],"severity":{"label":"medium","score":4.7},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21938","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21938"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: mptcp: fix 'scheduling while atomic' in mptcp_pm_nl_append_new_local_addr If multiple connection requests attempt to create an impli"}