CVE-2012-4542

NameCVE-2012-4542
Descriptionblock/scsi_ioctl.c in the Linux kernel through 3.8 does not properly consider the SCSI device class during authorization of SCSI commands, which allows local users to bypass intended access restrictions via an SG_IO ioctl call that leverages overlapping opcodes.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
NVD severitymedium (attack range: local)
Debian/oldstablepackage linux-2.6 is vulnerable; however, the security impact is unimportant.
Debian/stablepackage linux is vulnerable; however, the security impact is unimportant.
Debian/testingpackage linux is vulnerable; however, the security impact is unimportant.
Debian/unstablepackage linux is vulnerable; however, the security impact is unimportant.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.65-1vulnerable
wheezy (security)3.2.65-1+deb7u2vulnerable
jessie, sid3.16.7-ckt7-1vulnerable
linux-2.6 (PTS)squeeze (security), squeeze2.6.32-48squeeze6vulnerable
squeeze (lts)2.6.32-48squeeze11vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)(unfixed)unimportant
linux-2.6source(unstable)(unfixed)unimportant

Notes

[squeeze] - linux-2.6 <no-dsa> (Too intrusive to backport)
No upstream fix seems to be planned/treated as non-issue. Marking as unimportant

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