Servers and applications
CVE-2009-2904
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.
- Severity
- Medium 6.9
- Published
- 1 Oct 2009
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 21 Oct 2026
- Exploit chance
- 0.3% in the next 30 daysHigher than 25% of CVEs. EPSS by FIRST, 12 Nov 2026
- Weakness
- CWE-16
- Attack
- Needs local access · No login needed
- Attacker can
- Read data · Change data · Take it down
- CVSS vector
AV:L/AC:M/Au:N/C:C/I:C/A:C- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
OpenSSHServers and applications · cpe:a:openbsd:openssh |
|