{"id":"USN-8626-1","summary":"systemd vulnerabilities","details":"It was discovered that systemd-homed did not properly verify the signature\nof home records. A local attacker could possibly use this issue to add\narbitrary system groups to a logged-in user and gain elevated privileges.\n(CVE-2026-16742)\n\nIt was discovered that systemd-machined incorrectly handled certain polkit\nauthorization checks. A local attacker could possibly use this issue to\nterminate arbitrary processes, including privileged ones. This issue only\naffected Ubuntu 26.04 LTS. (CVE-2026-15060)\n\nIt was discovered that systemd-oomd did not properly validate certain IPC\nrequests. A local attacker could possibly use this issue to terminate\narbitrary processes. (CVE-2026-15059)","modified":"2026-08-12T04:30:05.587217861Z","published":"2026-08-10T13:46:07Z","related":["UBUNTU-CVE-2026-15059","UBUNTU-CVE-2026-15060","UBUNTU-CVE-2026-16742"],"upstream":["UBUNTU-CVE-2026-15059","UBUNTU-CVE-2026-15060","UBUNTU-CVE-2026-16742"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8626-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-15059"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-15060"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-16742"}],"affected":[{"package":{"name":"systemd","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/systemd?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"249.11-0ubuntu3.22"}]}],"versions":["248.3-1ubuntu8","249.5-2ubuntu1","249.5-2ubuntu2","249.5-2ubuntu3","249.5-2ubuntu4","249.9-0ubuntu2","249.10-0ubuntu1","249.10-0ubuntu2","249.11-0ubuntu1","249.11-0ubuntu2","249.11-0ubuntu3","249.11-0ubuntu3.1","249.11-0ubuntu3.3","249.11-0ubuntu3.4","249.11-0ubuntu3.6","249.11-0ubuntu3.7","249.11-0ubuntu3.9","249.11-0ubuntu3.10","249.11-0ubuntu3.11","249.11-0ubuntu3.12","249.11-0ubuntu3.15","249.11-0ubuntu3.16","249.11-0ubuntu3.17","249.11-0ubuntu3.19","249.11-0ubuntu3.20","249.11-0ubuntu3.21"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss-myhostname","binary_version":"249.11-0ubuntu3.22"},{"binary_version":"249.11-0ubuntu3.22","binary_name":"libnss-mymachines"},{"binary_name":"libnss-resolve","binary_version":"249.11-0ubuntu3.22"},{"binary_name":"libnss-systemd","binary_version":"249.11-0ubuntu3.22"},{"binary_version":"249.11-0ubuntu3.22","binary_name":"libpam-systemd"},{"binary_version":"249.11-0ubuntu3.22","binary_name":"libsystemd0"},{"binary_name":"libudev1","binary_version":"249.11-0ubuntu3.22"},{"binary_version":"249.11-0ubuntu3.22","binary_name":"systemd"},{"binary_version":"249.11-0ubuntu3.22","binary_name":"systemd-container"},{"binary_name":"systemd-coredump","binary_version":"249.11-0ubuntu3.22"},{"binary_name":"systemd-journal-remote","binary_version":"249.11-0ubuntu3.22"},{"binary_name":"systemd-oomd","binary_version":"249.11-0ubuntu3.22"},{"binary_name":"systemd-repart","binary_version":"249.11-0ubuntu3.22"},{"binary_name":"systemd-standalone-sysusers","binary_version":"249.11-0ubuntu3.22"},{"binary_version":"249.11-0ubuntu3.22","binary_name":"systemd-standalone-tmpfiles"},{"binary_name":"systemd-sysv","binary_version":"249.11-0ubuntu3.22"},{"binary_version":"249.11-0ubuntu3.22","binary_name":"systemd-tests"},{"binary_version":"249.11-0ubuntu3.22","binary_name":"systemd-timesyncd"},{"binary_name":"udev","binary_version":"249.11-0ubuntu3.22"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2026-15059","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-16742"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8626-1.json"}},{"package":{"name":"systemd","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/systemd?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"255.4-1ubuntu8.17"}]}],"versions":["253.5-1ubuntu6","253.5-1ubuntu7","255.2-3ubuntu2","255.4-1ubuntu5","255.4-1ubuntu6","255.4-1ubuntu7","255.4-1ubuntu8","255.4-1ubuntu8.1","255.4-1ubuntu8.2","255.4-1ubuntu8.4","255.4-1ubuntu8.5","255.4-1ubuntu8.6","255.4-1ubuntu8.8","255.4-1ubuntu8.10","255.4-1ubuntu8.11","255.4-1ubuntu8.12","255.4-1ubuntu8.14","255.4-1ubuntu8.15","255.4-1ubuntu8.16"],"ecosystem_specific":{"binaries":[{"binary_name":"libnss-myhostname","binary_version":"255.4-1ubuntu8.17"},{"binary_version":"255.4-1ubuntu8.17","binary_name":"libnss-mymachines"},{"binary_name":"libnss-resolve","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"libnss-systemd","binary_version":"255.4-1ubuntu8.17"},{"binary_version":"255.4-1ubuntu8.17","binary_name":"libpam-systemd"},{"binary_name":"libsystemd-shared","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"libsystemd0","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"libudev1","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd-boot","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd-boot-efi","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd-container","binary_version":"255.4-1ubuntu8.17"},{"binary_version":"255.4-1ubuntu8.17","binary_name":"systemd-coredump"},{"binary_name":"systemd-homed","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd-journal-remote","binary_version":"255.4-1ubuntu8.17"},{"binary_version":"255.4-1ubuntu8.17","binary_name":"systemd-oomd"},{"binary_name":"systemd-resolved","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd-standalone-sysusers","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd-standalone-tmpfiles","binary_version":"255.4-1ubuntu8.17"},{"binary_version":"255.4-1ubuntu8.17","binary_name":"systemd-sysv"},{"binary_name":"systemd-tests","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd-timesyncd","binary_version":"255.4-1ubuntu8.17"},{"binary_name":"systemd-ukify","binary_version":"255.4-1ubuntu8.17"},{"binary_version":"255.4-1ubuntu8.17","binary_name":"systemd-userdbd"},{"binary_version":"255.4-1ubuntu8.17","binary_name":"udev"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-15059","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-16742","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8626-1.json"}},{"package":{"name":"systemd","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/systemd?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"259.5-0ubuntu3.4"}]}],"versions":["257.9-0ubuntu2","259-1ubuntu2","259-1ubuntu3","259.3-0ubuntu1","259.5-0ubuntu1","259.5-0ubuntu2","259.5-0ubuntu3","259.5-0ubuntu3.3"],"ecosystem_specific":{"availability":"No subscription 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