{"action":"Upgrade linux-6.12 to 6.12.111-1~deb12u1 or later.","affected":[{"fixed":"6.12.111-1~deb12u1","introduced":"0"}],"component":"linux-6.12","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["6.12.111-1~deb12u1"],"id":"tcs_01M5NWFWXV5D8Z8Z80PQPXE32Z","modified_at":"2026-10-23T18:05:50.605016956Z","published_at":"2026-09-17T17:17:16.790Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-90215","https://security-tracker.debian.org/tracker/CVE-2026-90215"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-90215#Debian:12/linux-6.12","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-90215"}],"summary":"In the Linux kernel, the following vulnerability has been resolved: mtd: ubi: Release device reference on busy detach ubi_detach_mtd_dev() obtains a device reference through ubi_get_device() before ch"}