{"action":"Upgrade linux to 6.12.13-1 or later.","affected":[{"fixed":"6.12.13-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["6.12.13-1"],"id":"tcs_01M5NN1YEVX8QEPX4Z5AVYM7DZ","modified_at":"2026-09-01T20:05:42.474595453Z","published_at":"2025-02-27T20:16:02.477Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-21798","https://security-tracker.debian.org/tracker/CVE-2025-21798"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-21798","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-21798"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: firewire: test: Fix potential null dereference in firewire kunit test kunit_kzalloc() may return a NULL pointer, dereferencing it wi"}