{"action":"Upgrade linux to 5.15.15-1 or later.","affected":[{"fixed":"5.15.15-1","introduced":"0"}],"component":"linux","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["5.15.15-1"],"id":"tcs_01M5NH2YQ9B2F0CRD37YN3WMPA","modified_at":"2026-10-15T08:02:46.781003904Z","published_at":"2023-03-30T21:15:06.497Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2022-4744","https://security-tracker.debian.org/tracker/CVE-2022-4744"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2022-4744#Debian:14/linux","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2022-4744"}],"summary":"A double-free flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user registers the device when the register_netdevice function fails (NETDEV_REGISTER notifier). This fl"}