{"id":"UBUNTU-CVE-2025-59378","details":"In guix-daemon in GNU Guix before 1618ca7, a content-addressed-mirrors file can be written to create a setuid program that allows a regular user to gain the privileges of the build user that runs it (even after the build has ended).","modified":"2026-09-16T20:22:53.758786005Z","published":"2025-09-15T06:15:00Z","upstream":["CVE-2025-59378"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-59378"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-59378"},{"type":"REPORT","url":"https://guix.gnu.org/en/blog/2025/privilege-escalation-vulnerability-2025-2/"},{"type":"REPORT","url":"https://codeberg.org/guix/guix/pulls/2419"},{"type":"REPORT","url":"https://codeberg.org/guix/guix/commit/1618ca7aa2ee8b6519ee9fd0b965e15eca2bfe45"}],"affected":[{"package":{"name":"guix","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/guix?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.0-4","1.3.0-2","1.3.0-4","1.3.0-4ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_name":"guix","binary_version":"1.3.0-4ubuntu0.1~esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59378.json"}},{"package":{"name":"guix","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/guix?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.4.0-5","1.4.0-6","1.4.0-6build1","1.4.0-6ubuntu0.1~esm1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.4.0-6ubuntu0.1~esm1","binary_name":"guix"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-59378.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]}