The rm_rf_children function in util.c in the systemd-logind login manager in systemd before 44, when logging out, allows local users to delete arbitrary files via a symlink attack on unspecified files, related to "particular records related with user session."

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-1174
• https://bugzilla.redhat.com/show_bug.cgi?id=803358
• http://cgit.freedesktop.org/systemd/systemd/commit/?id=5ebff5337594d690b322078c512eb222d34aaa82
• http://lists.fedoraproject.org/pipermail/package-announce/2012-April/079075.html
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:030
• http://www.openwall.com/lists/oss-security/2012/03/16/21