|Description||The ioperm system call in Linux kernel 2.4.20 and earlier does not properly restrict privileges, which allows local users to gain read or write access to certain I/O ports.|
|Source||CVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)|
|References||DSA-311, DSA-312, DSA-332, DSA-336, DSA-442|
|NVD severity||low (attack range: local)|
|Debian/oldstable||not known to be vulnerable.|
|Debian/stable||not known to be vulnerable.|
|Debian/testing||not known to be vulnerable.|
|Debian/unstable||not known to be vulnerable.|
Vulnerable and fixed packages
The table below lists information on source packages.
|linux-2.6 (PTS)||squeeze, squeeze (security)||2.6.32-48squeeze6||fixed|
The information below is based on the following data on fixed versions.
- kernel-source-2.4.27 <not-affected> (Fixed before initial upload; 2.4.21-rc4)