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.
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History
Sat, 12 Jul 2025 13:45:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2018-02-13T20:00:00.000Z
Updated: 2025-06-09T15:54:51.003Z
Reserved: 2018-02-13T00:00:00.000Z
Link: CVE-2018-6954
Updated: 2024-08-05T06:17:17.343Z
Status : Modified
Published: 2018-02-13T20:29:00.547
Modified: 2025-06-09T16:15:29.307
Link: CVE-2018-6954
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