CVE-2008-4302 Information

Description

fs/splice.c in the splice subsystem in the Linux kernel before 2.6.22.2 does not properly handle a failure of the add_to_page_cache_lru function and subsequently attempts to unlock a page that was not locked which allows local users to cause a denial of service (kernel BUG and system crash) as demonstrated by the fio I/O tool.

Reference

http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git;a=commit;h=6a860c979b35469e4d77da781a96bdb2ca05ae64 http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.22.2 http://lists.opensuse.org/opensuse-security-announce/2008-11/msg00001.html http://lkml.org/lkml/2007/7/20/168 http://secunia.com/advisories/32237 http://secunia.com/advisories/32485 http://secunia.com/advisories/32759 http://www.debian.org/security/2008/dsa-1653 http://www.juniper.net/security/auto/vulnerabilities/vuln31201.html http://www.openwall.com/lists/oss-security/2008/09/16/10 http://www.redhat.com/support/errata/RHSA-2008-0957.html http://www.securityfocus.com/bid/31201 https://bugzilla.redhat.com/show_bug.cgi?id=462434 https://exchange.xforce.ibmcloud.com/vulnerabilities/45191 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A10547