CVE-2006-2448 Information

Description

Linux kernel before 2.6.16.21 and 2.6.17 when running on PowerPC does not perform certain required access_ok checks which allows local users to read arbitrary kernel memory on 64-bit systems (signal_64.c) and cause a denial of service (crash) and possibly read kernel memory on 32-bit systems (signal_32.c).

Reference

http://secunia.com/advisories/20703 http://secunia.com/advisories/20831 http://secunia.com/advisories/20991 http://secunia.com/advisories/21179 http://secunia.com/advisories/21465 http://secunia.com/advisories/21498 http://secunia.com/advisories/22417 http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=7c85d1f9d358b24c5b05c3a2783a78423775a080 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.21 http://www.novell.com/linux/security/advisories/2006_42_kernel.html http://www.novell.com/linux/security/advisories/2006_47_kernel.html http://www.redhat.com/support/errata/RHSA-2006-0575.html http://www.securityfocus.com/archive/1/438168/100/0/threaded http://www.securityfocus.com/bid/18616 http://www.trustix.org/errata/2006/0037 http://www.ubuntu.com/usn/usn-311-1 http://www.vupen.com/english/advisories/2006/2451 https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=194215 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10040