{"action":"Upgrade linux to 5.2.6-1 or later.","affected":[{"fixed":"5.2.6-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["5.2.6-1"],"id":"tcs_01M5NE2GHX95XWBBX2JNV3JB4K","modified_at":"2026-09-21T07:00:10.424070867Z","published_at":"2019-11-22T14:15:11.323Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-19227","https://security-tracker.debian.org/tracker/CVE-2019-19227"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-19227#Debian:13/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-19227"}],"summary":"In the AppleTalk subsystem in the Linux kernel before 5.1, there is a potential NULL pointer dereference because register_snap_client may return NULL. This will lead to denial of service in net/applet"}