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systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.","status":"published","published":"2026-04-10T18:31:18Z","modified":"2026-04-10T18:31:26Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-348"],"updated_at":"2026-11-02T15:07:24.880377Z"}],"nvd":[{"id":"CVE-2026-40226","description":"In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.","status":"published","published":"2026-04-10T16:16:33.447Z","modified":"2026-06-17T10:44:53.067Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-348"],"updated_at":"2026-11-02T14:12:13.902911Z"}],"osv":[{"id":"CVE-2026-40226","description":"In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.","status":"published","published":"2026-04-10T15:18:10.447Z","modified":"2026-10-28T02:31:08.927420508Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-348"],"updated_at":"2026-11-02T15:45:03.424067Z"},{"id":"DEBIAN-CVE-2026-40226","description":"In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.","status":"published","published":"2026-04-10T16:16:33.447Z","modified":"2026-10-01T03:02:39.263823267Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:54.892385Z"},{"id":"OESA-2026-2277","title":"systemd security update","description":"systemd is a system and service manager that runs as PID 1 and starts the rest of the system.\r\n\r\nSecurity Fix(es):\n\nIn nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.(CVE-2026-40226)","status":"published","published":"2026-05-09T11:11:15Z","modified":"2026-08-18T01:19:52.897921113Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-2278","title":"systemd security update","description":"systemd is a system and service manager that runs as PID 1 and starts the rest of the system.\r\n\r\nSecurity Fix(es):\n\nIn nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.(CVE-2026-40226)","status":"published","published":"2026-05-09T11:11:15Z","modified":"2026-08-18T01:19:52.884394407Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-2279","title":"systemd security update","description":"systemd is a system and service manager that runs as PID 1 and starts the rest of the system.\r\n\r\nSecurity Fix(es):\n\nIn nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.(CVE-2026-40226)","status":"published","published":"2026-05-09T11:11:15Z","modified":"2026-08-18T01:19:53.034617443Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-2280","title":"systemd security update","description":"systemd is a system and service manager that runs as PID 1 and starts the rest of the system.\r\n\r\nSecurity Fix(es):\n\nIn nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.(CVE-2026-40226)","status":"published","published":"2026-05-09T11:11:15Z","modified":"2026-08-18T01:19:52.897869518Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.087701Z"},{"id":"OESA-2026-2358","title":"systemd security update","description":"systemd is a system and service manager that runs as PID 1 and starts the rest of the system.\r\n\r\nSecurity Fix(es):\n\nIn nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.(CVE-2026-40226)","status":"published","published":"2026-05-15T11:11:19Z","modified":"2026-08-18T01:19:57.494221415Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:52:46.449097Z"},{"id":"RHSA-2026:7299","title":"Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update","status":"published","published":"2026-04-20T10:11:09Z","modified":"2026-10-15T10:26:18Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:53:22.928316Z"},{"id":"ROOT-OS-DEBIAN-12-CVE-2026-40226","title":"CVE-2026-40226 in rootio-systemd - Patched by Root","description":"Root has patched CVE-2026-40226 in the rootio-systemd package for Root:Debian:12. Multiple fixed versions available.","status":"withdrawn","published":"2026-05-12T10:07:41Z","modified":"2026-08-20T14:00:14.28777194Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T15:53:32.037361Z"},{"id":"UBUNTU-CVE-2026-40226","description":"In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.","status":"published","published":"2026-04-10T16:16:00Z","modified":"2026-10-17T12:58:53.810846581Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T16:56:16.686388Z"},{"id":"AZL-82646","title":"CVE-2026-40226 affecting package systemd for versions less than 255-30","description":"In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.","status":"published","published":"2026-04-10T16:16:33Z","modified":"2026-11-05T05:40:51Z","updated_at":"2026-11-05T16:41:24.988217Z"},{"id":"CLSA-2026-1786542017","title":"systemd: Fix of 2 CVEs","description":"- CVE-2026-40226: nspawn: apply BindUser/Ephemeral from settings file only if trusted and normalize pivot_root paths","status":"published","published":"2026-08-13T06:23:44Z","modified":"2026-10-26T09:31:04.141571179Z","updated_at":"2026-11-02T15:43:46.850893Z"},{"id":"CLSA-2026-1787064068","title":"systemd: Fix of 2 CVEs","description":"- CVE-2026-40226: apply trusted-settings checks and normalize pivot root paths\n  in systemd-nspawn\n- CVE-2026-40225: validate kernel-provided fields before emitting udev\n  properties","status":"published","published":"2026-08-18T14:41:19Z","modified":"2026-10-26T09:43:30.018015186Z","updated_at":"2026-11-02T15:43:47.20725Z"},{"id":"openSUSE-SU-2026:21754-1","title":"Security update for systemd","description":"This update for systemd fixes the following issue:\n\nSecurity issue fixed:\n\n- CVE-2026-16742: `systemd-homed`: local privilege escalation due to missing home record signature verification on\n  the authentication path (bsc#1271444).\n\nNon security issue fixed:\n\n- `systemd-resolved` fails to start due to write access to `tmpfs` denied (bsc#1237515).\n","status":"published","published":"2026-09-03T20:41:28Z","modified":"2026-09-09T18:23:14.069087279Z","updated_at":"2026-11-02T16:58:42.426393Z"},{"id":"SUSE-SU-2026:22736-1","title":"Security update for systemd","description":"This update for systemd fixes the following issues:\n\nSecurity issues fixed:\n\n- CVE-2026-40226: nspawn: escape-to-host via malformed optional config file (bsc#1261400).\n\nOther updates and bugfixes:\n\n- Import commit 260e668bfa (bsc#1267647 bsc#1262305 bsc#1267644).\n- Import commit 58e5d2e21e (bsc#1261982).\n- Import commit 4bd91117cc (bsc#1261983).\n","status":"published","published":"2026-07-16T12:29:13Z","modified":"2026-07-22T18:25:10.536864201Z","updated_at":"2026-11-02T15:54:03.080707Z"},{"id":"SUSE-SU-2026:22890-1","title":"Security update for systemd","description":"This update for systemd fixes the following issues\n\nSecurity issues fixed:\n\n- CVE-2026-40226: nspawn: escape-to-host via malformed optional config file (bsc#1261400).\n\nOther updates and bugfixes:\n\n- Import commit 260e668bfa (bsc#1267647 bsc#1262305 bsc#1267644).\n- Import commit 58e5d2e21e (bsc#1261982).\n- Import commit 4bd91117cc (bsc#1261983).\n","status":"published","published":"2026-07-21T18:35:47Z","modified":"2026-07-28T18:24:13.988447496Z","updated_at":"2026-11-02T15:54:03.080707Z"},{"id":"SUSE-SU-2026:23454-1","title":"Security update for systemd","description":"This update for systemd fixes the following issue:\n\nSecurity issue fixed:\n\n- CVE-2026-16742: `systemd-homed`: local privilege escalation due to missing home record signature verification on\n  the authentication path (bsc#1271444).\n\nNon security issue fixed:\n\n- `systemd-resolved` fails to start due to write access to `tmpfs` denied (bsc#1237515).\n","status":"published","published":"2026-09-03T20:25:16Z","modified":"2026-09-14T18:23:11.26275341Z","updated_at":"2026-11-02T15:54:03.503431Z"},{"id":"SUSE-SU-2026:23470-1","title":"Security update for systemd","description":"This update for systemd fixes the following issue:\n\nSecurity issue fixed:\n\n- CVE-2026-16742: `systemd-homed`: local privilege escalation due to missing home record signature verification on\n  the authentication path (bsc#1271444).\n\nNon security issue fixed:\n\n- `systemd-resolved` fails to start due to write access to `tmpfs` denied (bsc#1237515).\n","status":"published","published":"2026-09-03T20:31:34Z","modified":"2026-09-14T18:23:12.179664526Z","updated_at":"2026-11-02T15:54:03.503431Z"},{"id":"SUSE-SU-2026:23620-1","title":"Security update for systemd","description":"This update for systemd fixes the following issue:\n\nSecurity issue fixed:\n\n- CVE-2026-16742: `systemd-homed`: local privilege escalation due to missing home record signature verification on\n  the authentication path (bsc#1271444).\n\nNon security issue fixed:\n\n- `systemd-resolved` fails to start due to write access to `tmpfs` denied (bsc#1237515).\n","status":"published","published":"2026-09-03T20:31:34Z","modified":"2026-09-29T18:23:19.929717072Z","updated_at":"2026-11-02T15:54:03.991985Z"},{"id":"SUSE-SU-2026:2785-1","title":"Security update for systemd, systemd-mini","description":"This update for systemd, systemd-mini fixes the following issue\n\nSecurity issues fixed:\n\n- CVE-2026-40226: nspawn: escape-to-host via malformed optional config file (bsc#1261400).\n\nOther updates and bugfixes:\n\n- Import commit eba1930de8 (bsc#1267647).\n- Import commit 5d46cdd987 (bsc#1261982 bsc#1261983).\n- Import commit ac1173932c (bsc#1261982).\n- Import commit c7f3e89374 (bsc#1261983).\n","status":"published","published":"2026-07-08T06:48:09Z","modified":"2026-07-09T10:00:06.122853462Z","updated_at":"2026-11-02T15:54:04.987808Z"},{"id":"SUSE-SU-2026:2809-1","title":"Security update for systemd","description":"This update for systemd fixes the following issue\n\nSecurity issues fixed:\n  \n- CVE-2026-40226: nspawn: escape-to-host via malformed optional config file (bsc#1261400).\n\nOther updates and bugfixes:\n\n- Import commit 37508f8ec1 (bsc#1267647).\n- Import commit c7530fbea3 (bsc#1261982 bsc#1261983).\n- Import commit 5c4ed461a7 (bsc#1261982).\n- Import commit 4b963df038 (bsc#1261983).\n","status":"published","published":"2026-07-09T06:08:31Z","modified":"2026-07-10T10:00:06.055020482Z","updated_at":"2026-11-02T15:54:04.987808Z"},{"id":"SUSE-SU-2026:3244-1","title":"Security update for systemd","description":"This update for systemd fixes the following issues\n\nSecurity issues fixed:\n\n- CVE-2026-40226: nspawn: escape-to-host via malformed optional config file (bsc#1261400).\n\nOther updates and bugfixes:\n\n- Fix soft reboot not restarting user services with default.target (bsc#1262305).\n- Import commit e46e1952d5 (bsc#1267647 bsc#1262305 bsc#1267644).\n- Import commit 429043ca9a (bsc#1261982 bsc#1261983).\n- Import commit 58e5d2e21e (bsc#1261982).\n- Import commit 4bd91117cc (bsc#1261983).\n","status":"published","published":"2026-07-24T13:11:40Z","modified":"2026-07-28T18:24:17.278012497Z","updated_at":"2026-11-02T15:54:04.987808Z"},{"id":"USN-8402-1","title":"systemd vulnerabilities","description":"It was discovered that systemd-nspawn incorrectly handled certain optional\nconfiguration files. A local attacker could possibly use this issue to\nescape to the host system and execute arbitrary code. (CVE-2026-40226)\n\nIt was discovered that systemd-resolved incorrectly validated DNSSEC\nrecords for signed domains. An attacker could possibly use this issue to\nmanipulate DNS records. This issue only affected Ubuntu 22.04 LTS.\n(CVE-2023-7008)","status":"published","published":"2026-06-08T13:17:14Z","modified":"2026-06-08T23:03:52.339660669Z","updated_at":"2026-11-02T16:58:25.103481Z"}]}}