CVE-2007-6417 Information

Description

The shmem_getpage function (mm/shmem.c) in Linux kernel 2.6.11 through 2.6.23 does not properly clear allocated memory in some rare circumstances related to tmpfs which might allow local users to read sensitive kernel data or cause a denial of service (crash).

Reference

http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00002.html http://marc.info/?l=linux-kernel&m=119627664702379&w=2 http://marc.info/?l=linux-kernel&m=119743651829347&w=2 http://marc.info/?l=linux-kernel&m=119769771026243&w=2 http://osvdb.org/44120 http://secunia.com/advisories/28141 http://secunia.com/advisories/28706 http://secunia.com/advisories/28806 http://secunia.com/advisories/28971 http://secunia.com/advisories/32023 http://www.debian.org/security/2007/dsa-1436 http://www.mandriva.com/security/advisories?name=MDVSA-2008:086 http://www.mandriva.com/security/advisories?name=MDVSA-2008:112 http://www.redhat.com/support/errata/RHSA-2008-0885.html http://www.securityfocus.com/bid/27694 http://www.ubuntu.com/usn/usn-574-1 http://www.ubuntu.com/usn/usn-578-1 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A8920