{"action":"Upgrade linux to 4.19.37-1 or later.","affected":[{"fixed":"4.19.37-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.19.37-1"],"id":"tcs_01M5NDRQZBE4C07GD2ME3BT3QR","modified_at":"2026-09-21T07:00:27.289143010Z","published_at":"2019-06-14T02:29:00.330Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-12819","https://security-tracker.debian.org/tracker/CVE-2019-12819"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-12819#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-12819"}],"summary":"An issue was discovered in the Linux kernel before 5.0. The function __mdiobus_register() in drivers/net/phy/mdio_bus.c calls put_device(), which will trigger a fixed_mdio_bus_init use-after-free. Thi"}