{"id":"UBUNTU-CVE-2026-89169","details":"live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.","modified":"2026-09-16T11:43:12Z","published":"2026-09-11T05:16:00Z","upstream":["CVE-2026-89169"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-89169"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-89169"},{"type":"REPORT","url":"https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1146422"},{"type":"REPORT","url":"https://salsa.debian.org/live-team/live-boot/-/blob/ff8867c4e2d62e497cb895b15b7d6d518d5adff1/components/9990-overlay.sh#L112-114"}],"affected":[{"package":{"name":"live-boot","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/live-boot?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0~a4-1","5.0~a5-1","5.0~a5-2","1:20151213"],"ecosystem_specific":{"binaries":[{"binary_version":"1:20151213","binary_name":"live-boot"},{"binary_version":"1:20151213","binary_name":"live-boot-initramfs-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89169.json"}},{"package":{"name":"live-boot","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/live-boot?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20170623"],"ecosystem_specific":{"binaries":[{"binary_version":"1:20170623","binary_name":"live-boot"},{"binary_version":"1:20170623","binary_name":"live-boot-initramfs-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89169.json"}},{"package":{"name":"live-boot","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/live-boot?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20190614"],"ecosystem_specific":{"binaries":[{"binary_name":"live-boot","binary_version":"1:20190614"},{"binary_name":"live-boot-initramfs-tools","binary_version":"1:20190614"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89169.json"}},{"package":{"name":"live-boot","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/live-boot?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20210208"],"ecosystem_specific":{"binaries":[{"binary_version":"1:20210208","binary_name":"live-boot"},{"binary_name":"live-boot-initramfs-tools","binary_version":"1:20210208"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89169.json"}},{"package":{"name":"live-boot","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/live-boot?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20230131"],"ecosystem_specific":{"binaries":[{"binary_name":"live-boot","binary_version":"1:20230131"},{"binary_version":"1:20230131","binary_name":"live-boot-initramfs-tools"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89169.json"}},{"package":{"name":"live-boot","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/live-boot?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:20250225","1:20250815"],"ecosystem_specific":{"binaries":[{"binary_name":"live-boot","binary_version":"1:20250815"},{"binary_name":"live-boot-initramfs-tools","binary_version":"1:20250815"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-89169.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:P/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"},{"type":"Ubuntu","score":"medium"}]}