{"cve":"CVE-2009-2904","nvd":{"published":"2009-10-01T15:30:00.233","modified":"2026-06-16T23:10:28.297","status":"Modified","description":"A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in OpenSSH 4.3 in Red Hat Enterprise Linux (RHEL) 5.4 and Fedora 11, allows local users to gain privileges via hard links to setuid programs that use configuration files within the chroot directory, related to requirements for directory ownership.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-16"],"references":["http://lists.fedoraproject.org/pipermail/package-announce/2010-March/038214.html","http://lists.vmware.com/pipermail/security-announce/2010/000082.html","http://osvdb.org/58495","http://secunia.com/advisories/38794","http://secunia.com/advisories/38834"],"products":["openbsd:openssh"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-2904","score":0.00318,"percentile":0.24814,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}