CVE-2008-3534 Information

Description

The shmem_delete_inode function in mm/shmem.c in the tmpfs implementation in the Linux kernel before 2.6.26.1 allows local users to cause a denial of service (system crash) via a certain sequence of file create remove and overwrite operations as demonstrated by the insserv program related to allocation of \useless pages\ and improper maintenance of the i_blocks count.

Reference

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git;a=commit;h=14fcc23fdc78e9d32372553ccf21758a9bd56fa1 http://lkml.org/lkml/2008/7/26/71 http://secunia.com/advisories/31881 http://secunia.com/advisories/32190 http://secunia.com/advisories/32393 http://www.debian.org/security/2008/dsa-1636 http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26.1 http://www.redhat.com/support/errata/RHSA-2008-0857.html http://www.securityfocus.com/bid/31134 http://www.ubuntu.com/usn/usn-659-1 https://exchange.xforce.ibmcloud.com/vulnerabilities/44489