CVE-2009-1883 Information

Description

The z90crypt_unlocked_ioctl function in the z90crypt driver in the Linux kernel 2.6.9 does not perform a capability check for the Z90QUIESCE operation which allows local users to leverage euid 0 privileges to force a driver outage.

Reference

http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00007.html http://secunia.com/advisories/36759 http://secunia.com/advisories/37105 http://www.openwall.com/lists/oss-security/2009/09/15/1 http://www.openwall.com/lists/oss-security/2009/09/15/3 http://www.redhat.com/support/errata/RHSA-2009-1438.html http://www.ubuntu.com/usn/USN-852-1 https://bugzilla.redhat.com/show_bug.cgi?id=505983 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A9513