CVE-2009-2904

A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in...

6.9 MediumFix available

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.

Exploit likelihood

0.32%Down 1.0 points since Feb 4, 2022

What each source reports

NVD Score used 6.9

Record: CVE-2009-2904
CVSS 2.0: 6.9 MediumAV:L/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-16
Updated: 2026-11-02

CVE List No score

Record: CVE-2009-2904
Updated: 2026-11-02

EUVDEUVD-2009-2892 No score

Record: EUVD-2009-2892
Updated: 2026-11-03

GitHub AdvisoriesGHSA-73m8-jfrm-fr4j No score

A certain Red Hat modification to the ChrootDirectory feature in OpenSSH 4.8, as used in sshd in...

Record: GHSA-73m8-jfrm-fr4j
Updated: 2026-11-02

Affected products

openbsd openssh

Affected packages

Affected packages
Package	Affected	Fixed
`openssh` Red Hat:enterprise_linux:5::client	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh-askpass` Red Hat:enterprise_linux:5::client	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh-clients` Red Hat:enterprise_linux:5::client	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh-debuginfo` Red Hat:enterprise_linux:5::client	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh-server` Red Hat:enterprise_linux:5::client	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh` Red Hat:enterprise_linux:5::server	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh-askpass` Red Hat:enterprise_linux:5::server	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh-clients` Red Hat:enterprise_linux:5::server	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh-debuginfo` Red Hat:enterprise_linux:5::server	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2
`openssh-server` Red Hat:enterprise_linux:5::server	before 0:4.3p2-36.el5_4.2	0:4.3p2-36.el5_4.2

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-2904 is a medium vulnerability (CVSS 6.9) in Openbsd Openssh, published October 1, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. Fixed in openssh 0:4.3p2-36.el5_4.2.

References

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