systemd-tmpfiles in systemd through 237 mishandles symlinks present in non-terminal path components, which allows local users to obtain ownership of arbitrary files via vectors involving creation of a directory and a file under that directory, and later replacing that directory with a symlink. This occurs even if the fs.protected_symlinks sysctl is turned on.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Feb 13, 2018 |
| Debian | — | Upgrade systemd | Jul 30, 2024 | Feb 13, 2018 |
| Huawei Euleros 2_0_sp2 | — | Upgrade systemd-develUpgrade systemd-libsUpgrade systemd-sysvUpgrade systemd-pythonUpgrade libgudev1-develUpgrade systemdUpgrade libgudev1 | Sep 12, 2019 | Feb 13, 2018 |
| Huawei Euleros 2_0_sp3 | — | Upgrade systemdUpgrade systemd-pythonUpgrade systemd-sysvUpgrade libgudev1-develUpgrade systemd-develUpgrade libgudev1Upgrade systemd-libs | Sep 25, 2019 | Feb 13, 2018 |
| Huawei Euleros 2_0_sp5 | — | Upgrade systemd-libsUpgrade systemd-develUpgrade systemd-udev-compatUpgrade systemd-pythonUpgrade libgudev1-develUpgrade libgudev1Upgrade systemd-sysvUpgrade systemd | Aug 16, 2019 | Feb 13, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Feb 13, 2018 |
| Suse | — | Upgrade systemd-mini-container-miniUpgrade libudev-mini-develUpgrade systemd-mini-sysvinitUpgrade nss-myhostname-32bitUpgrade systemd-mini-bash-completionUpgrade systemd-langUpgrade libudev-devel-32bitUpgrade systemd-docUpgrade systemd-mini-develUpgrade systemdUpgrade nss-mymachinesUpgrade udev-miniUpgrade systemd-containerUpgrade systemd-mini-coredump-miniUpgrade nss-mymachines-32bitUpgrade systemd-coredumpUpgrade systemd-sysvinitUpgrade libudev1Upgrade udevUpgrade systemd-miniUpgrade nss-systemdUpgrade systemd-32bitUpgrade libudev-mini1Upgrade systemd-bash-completionUpgrade libsystemd0-32bitUpgrade libudev-develUpgrade nss-myhostnameUpgrade systemd-journal-remoteUpgrade systemd-develUpgrade libudev1-32bitUpgrade libsystemd0Upgrade systemd-loggerUpgrade libsystemd0-mini | Jan 31, 2019 | Feb 13, 2018 |
| Ubuntu | — | Upgrade systemd | Nov 15, 2018 | Feb 13, 2018 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Feb 13, 2018 |
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